McLaren’s Jenson Button topped the opening pair of free practice sessions on Friday morning. On a day peppered with minor offs, the 2009 World Champion kept his MP4-26 on the road to be quickest in practice one ahead of teammate Lewis Hamilton and later Fernando Alonso (Ferrari) in practice two.

Sebastian Vettel garnered the top spot in second practice in Singapore on Friday. The reigning champion secured a best lap of 1:46.374 around the streets of Marina Bay – some two-tenths quicker than next up Fernando Alonso.

McLaren’s Lewis Hamilton topped a shortened first practice at Singapore’s Marina Bay circuit on Friday.

Sebastian Vettel led the times at the second practice for the Italian Grand Prix at Monza.

McLaren's Lewis Hamilton topped first practice for the Italian Grand Prix at Monza.

Mark Webber topped the second free practice session at Spa-Francorchamps in the build-up to the Belgian Grand Prix.

On the weekend of his 20th anniversary Formula 1 début, Michael Schumacher topped first practice at Belgium's Spa-Francorchamps.

Second practice for the German Grand Prix saw a return to "business as usual" for Red Bull at the Nurburgring with Mark Webber placing his RB7 at the top of Friday afternoon practice.

On a cool morning at the Nurburgring, Fernando Alonso topped the opening practice session for the German Grand Prix.