 In 2008 , Federer won one Grand Slam singles title at the US Open over <unk> Andy Murray . Federer was defeated by Nadal in two Grand Slam finals , at the French Open , and at Wimbledon , when he was going for six straight wins to break Björn Borg 's record . At the Australian Open , Federer lost in the semifinals to eventual winner Djokovic , which ended his record of 10 consecutive finals . Later in the year , it was found Federer had been suffering from <unk> at the start of the year , particularly during the Australian Open . He lost twice in Masters Series 1000 finals on clay to Nadal , at Monte Carlo and Hamburg . However , Federer captured three titles in 250 @-@ level events at <unk> , Halle , and Basel . 
