McLaren's Lewis Hamilton has set the pace in the first practice ahead of this Sunday's Hungarian Grand Prix, with his teammate Jenson Button recording the second fastest time.
Hamilton, who has been regarded as a favourite for this weekend's race, finished 0.101 seconds faster than his British teammate, who clocked 1.22.821 in Hungary.
Ferrari's Fernando Alonso set the third quickest time, with Mercedes driver Nico Rosberg coming in fourth during his time on the track.
Romain Grosjean set the fifth fastest time, while Red Bull duo Sebastian Vettel and Mark Webber recorded the 15th and 13th time respectively.