The Formula 1 regulations state drivers must use both types of tyre compounds during every race.
Below is the order in which each driver used his tyre compounds in the Turkish Grand Prix, as recorded by Bridgestone:
Team Tyre choice by stint
Ferrari
Felipe Massa 6th Hard Hard Soft
Kimi Raikkonen 9th Hard Hard Soft
McLaren
Lewis Hamilton 13th Hard Soft
Heikki Kovalainen 14th Soft Hard Soft
BMW Sauber
Robert Kubica 7th Hard Hard Soft
Nick Heidfeld 11th Hard Hard Soft
Renault
Fernando Alonso 10th Soft Hard Hard
Nelson Piquet 16th Hard Hard Soft
Toyota
Jarno Trulli 4th Hard Hard Soft
Timo Glock 8th Hard Hard Soft
Scuderia Toro Rosso
Sebastien Bourdais 18th Hard Soft
Sebastien Buemi 15th Hard Hard Soft
Red Bull Racing
Mark Webber 2nd Hard Hard Soft
Sebastian Vettel 3rd Hard Hard Hard Soft
Williams
Nico Rosberg 5th Hard Hard Soft
Kazuki Nakajima 12th Hard Hard Soft
Force India
Adrian Sutil 17th Hard Hard Soft
Giancarlo Fisichella DNF Hard
Brawn
Jenson Button 1st Hard Hard Soft
Rubens Barrichello DNF Hard Hard Soft