In pictures - the best of Singapore

Fans at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Ron Dennis (GBR) McLaren Executive Chairman and Niki Lauda (AUT) Mercedes AMG F1 Non-Executive Chairman at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Susie Wolff (GBR) Williams Test and Development Driver and Niki Lauda (AUT) Mercedes AMG F1 Non-Executive Chairman at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Grid Girl at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race marshals at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 on the drivers parade at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 at the drivers parade at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Marshals at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 on the grid at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

National Anthem is observed on the grid at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Fans and flag at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T leads at the start of the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at the start of the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Marshals clear the track at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at the start of the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Drivers observe the National Anthem on the grid at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 retires from the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Safety Car leads out the field at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 retires from the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 retires from the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 and Felipe Massa (BRA) Williams FW37 collide at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race retiree Lewis Hamilton (GBR) Mercedes AMG F1 talks with the media at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 retires from the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 makes a pit stop at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari SF15-T crosses the line and takes the chequered flag at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Ferrari mechanics in the garage at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

(L to R): Daniel Ricciardo (AUS) Red Bull Racing, Modesta Menabue (ITA) Ferrari Engine Specialist, race winner Sebastian Vettel (GER) Ferrari and Kimi Raikkonen (FIN) Ferrari celebrate on the podium at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari celebrates in the parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Scenic view at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari celebrates on the podium with the champagne at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari celebrates on the podium with Modesta Menabue (ITA) Ferrari Engine Specialist at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Podium (L to R): Daniel Ricciardo (AUS) Red Bull Racing, Modesta Menabue (ITA) Ferrari Engine Specialist, race winner Sebastian Vettel (GER) Ferrari and Kimi Raikkonen (FIN) Ferrari celebrate on the podium at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Scenic view of the Marina Mandarin Hotel at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Fireworks display with the Singapore Flyer at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Start of the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Scenic view at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

(L to R): Daniel Ricciardo (AUS) Red Bull Racing, Modesta Menabue (ITA) Ferrari Engine Specialist, race winner Sebastian Vettel (GER) Ferrari and Kimi Raikkonen (FIN) Ferrari celebrate on the podium at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari SF15-T celebrates at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari celebrates on the podium with champagne at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 and Nico Hulkenberg (GER) Force India VJM08 at the start of the race at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari celebrates in parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Race winner Sebastian Vettel (GER) Ferrari celebrates on the podium at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Race, Marina Bay Street Circuit, Singapore, Sunday 20 September 2015. © Sutton Motorsport Images

Ferrari pit stop practice at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Force India pit stop practice at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Ferrari mechanics warm up for their pit stop practice at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Ferrari mechanics with the Ferrari SF15-T cars at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 locks up at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Sunlight at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Williams mechanics with Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Toto Wolff (AUT) Mercedes AMG F1 Director of Motorsport at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Red Bull Racing Alpinestars gloves at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Copyright: Lionel Ng Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Pole sitter Sebastian Vettel (GER) Ferrari celebrates in parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

(L to R): Kimi Raikkonen (FIN) Ferrari, pole sitter Sebastian Vettel (GER) Ferrari and Daniel Ricciardo (AUS) Red Bull Racing celebrate in parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 speaks to the media at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Copyright: Lionel Ng Sutton Motorsport Images

(L to R): Daniel Ricciardo (AUS) Red Bull Racing, pole sitter Sebastian Vettel (GER) Ferrari and Kimi Raikkonen (FIN) Ferrari in the press conference at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Scenic city view at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Copyright: Lionel Ng Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Copyright: Lionel Ng Sutton Motorsport Images

Pole sitter Sebastian Vettel (GER) Ferrari and Kimi Raikkonen (FIN) Ferrari in the press conference at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing in parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Photographers at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

(L to R): Kimi Raikkonen (FIN) Ferrari, Sebastian Vettel (GER) Ferrari and Daniel Ricciardo (AUS) Red Bull Racing celebrate in parc ferme at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Scenic Track view at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

F1 in Schools World Champions Union Racing International with Andrew Denford (GBR) F1 in Schools and the Bernie Ecclestone trophy at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Scenic City view at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Skyline at Formula One World Championship, Rd13, Singapore Grand Prix, Qualifying, Marina Bay Street Circuit, Singapore, Saturday 19 September 2015. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal and Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Johnny Herbert (GBR) Sky TV and Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

James Allison (GBR) Ferrari Chassis Technical Director at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Scenic view at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 with aero device at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kyvat (RUS) Red Bull Racing at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Scuderia Toro Rosso STR10 front wing detail with aero paint at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sauber C34 front wing detail at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Scenic city view at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Copyright: Lionel Ng Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Scuderia Toro Rosso mechanic with Scuderia Toro Rosso STR10 front wing at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Pharrell Williams (USA) at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia following his crash in FP1 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Scenic track view at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

The car of Will Stevens (GBR) Manor GP is recovered after crashing out in FP2 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 and Pharrell Williams (USA) in the Mercedes AMG F1 garage at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid with aero paint on rear wing at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 with aero sensor at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Accident damage on the car of Alexander Rossi (USA) Manor GP at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T and Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid sparks at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Christian Horner (GBR) Red Bull Racing Team Principal at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Mercedes AMG F1 pit wall gantry at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 makes a pit stop at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing talks with the media at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Claire Williams (GBR) Williams Deputy Team Principal in the Press Conference at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Franz Tost (AUT) Scuderia Toro Rosso Team Principal in the Press Conference at Formula One World Championship, Rd13, Singapore Grand Prix, Practice, Marina Bay Street Circuit, Singapore, Friday 18 September 2015. © Sutton Motorsport Images

Paddock entrance at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Marina Bay signage at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Pirelli tyres at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Jackie Stewart (GBR) at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 and guests at Epson event at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

(L to R): Felipe Nasr (BRA) Sauber, Romain Grosjean (FRA) Lotus F1, Sergio Perez (MEX) Force India, Valtteri Bottas (FIN) Williams, Pastor Maldonado (VEN) Lotus and Roberto Merhi (ESP) Manor GP in the press conference at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Roberto Merhi (ESP) Manor GP during the press conference at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Singapore Flyer at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Williams mechanics and Pirelli tyres at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Alexander Rossi (ITA) Marussia at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Red Bull Racing RB11 rear wing at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Ferrari SF15-T front wing detail at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Red Bull Racing RB11 front wheel hub and brake detail at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Eric Boullier (FRA) McLaren Racing Director at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren speaks to the press at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing speaks to the press at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Daniil Kyvat (RUS) Red Bull Racing at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauberat Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Entertainment at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Entertainment at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Entertainment at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber poses for a selfie with a fan at the autograph session at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at the autograph session at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Fans and the Force India VJM08 at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at the autograph session at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Fans at the autograph session at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Scuderia Toro Rosso STR10 front brake and wheel hub detail at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

McLaren MP4-30 and team mechanics at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images

Scuderia Toro Rosso STR10 and team mechanics at Formula One World Championship, Rd13, Singapore Grand Prix, Preparations, Marina Bay Street Circuit, Singapore, Thursday 17 September 2015. © Sutton Motorsport Images