Mercedes and Ferrari have opted for exactly the same selection of tyres for next weekend's Grand Prix in Azerbaijan - while Red Bull have opted for a slightly more conservative approach.
The Scuderia and the Silver Arrows - the lead protagonists in this year's constructors' fight - have chosen one set of medium-compound tyres, four sets of softs and eight sets of supersofts to make up both their drivers' 13-set allowance in Baku.
Red Bull, meanwhile, are the only team to take two sets of mediums for both their drivers - although individally Williams' Felipe Massa and Sauber's Marcus Ericsson have followed the same path.
McLaren have opted for the most aggressive strategy, going for 10 sets of supersofts for both Fernando Alonso and Stoffel Vandoorne, leaving then with just one set of mediums and two sets of softs.
Tyre compound selections for Azerbaijan:
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