of Switzerland will be aiming to regain the number 2 world ranking before the season is out so that he can have a great run at the ATP World Tour finals at the O2 Arena in November.
The Swiss maestro won the Australian Open in January in Melbourne for the 4th time in his career when he beat Andy Murray in the final in straight sets 6-3 6-4 7-6.
Federer however suffered shock quarter final defeats in both the French Open and Wimbledon to Robin Soderling and Tomas Berdych.
Federer then lost an epic 5 set match in the Semi Final of the US Open to Novak Djokovic 5-7 6-1 5-7 6-2 7-5, that result saw Djokovic overtake Federer as the number 2 player in the world rankings.
Djokovic lost in the final in New York to the world number 1 Rafael Nadal in 4 sets 6-4 5-7 6-4 6-2.