Daniil Kvyat (RUS) Scuderia Toro Rosso walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Renault Sport F1 Team RS17 front suspension detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Main straight at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Scuderia Toro Rosso STR12 front brake and wheel hub detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sergio Perez (MEX) Force India walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Red Bull Racing pit box gantry at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Pascal Wehrlein (GER) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari SF70-H nose and front wing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Williams pit wall gantry at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Williams FW40 in the garage at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Haas VF-17 bodywork at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Haas VF-17 nose at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Carlos Sainz jr (ESP) Scuderia Toro Rosso at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Chassis and aero detail of Scuderia Toro Rosso STR12 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
McLaren pit box boom at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sauber C36 nose and front wings at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Carlos Sainz jr (ESP) Scuderia Toro Rosso with the Toro Rosso engineers at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari logo at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Paddock at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Track view at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Force India mechanics with Force India VJM10 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Safety car at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sergio Perez (MEX) Force India at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Williams mechanics with Williams FW40 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Podium at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 Test Driver walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Kevin Magnussen (DEN) Haas F1 talks with the media at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Pascal Wehrlein (GER) Sauber walks the track at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari mechanic and Pirelli tyres at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Valtteri Bottas (FIN) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari mechanics with Ferrari SF70-H in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Lance Stroll (CDN) Williams at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sergey Sirotkin (RUS) Renault Sport F1 Team at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Pascal Wehrlein (GER) Sauber in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Red Bull Racing mechanics with Red Bull Racing RB13 in pit lane at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari SF70-H rear wheel hub at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Marshal at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Daniil Kvyat (RUS) Scuderia Toro Rosso talks to the media at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Bottas Mercedes AMG F1, Kvyat Scuderia Toro Rosso and Grosjean Haas F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari signs autographs for the fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Lewis Hamilton (GBR) Mercedes AMG F1 at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ricciardo Red Bull Racing signs autographs for the fans at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Fans at the pitlane walkabout at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari mechanics make a practice pitstop at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Jacques Villeneuve (CDN) Movistar TV at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari SF70-H aero detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Ferrari SF70-H nose detail at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Romain Grosjean (FRA) Haas F1 in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Kimi Raikkonen (FIN) Ferrari in the Press Conference at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sergio Perez Force India signs autographs for the fans at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Felipe Massa (BRA) Williams fans selfie at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari at the autograph session at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Lewis Hamilton (GBR) Mercedes AMG F1 fans selfie at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Daniil Kvyat (RUS) Scuderia Toro Rosso and fans at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Vitaly Petrov (RUS) and Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images
Max Verstappen (NED) Red Bull Racing at Formula One World Championship, Rd4, Russian Grand Prix, Preparations, Sochi Autodrom, Sochi, Krasnodar Krai, Russia, Thursday 27 April 2017. © Sutton Motorsport Images