The owner of a record 17 Grand Slam titles did recently complain about a bad back, however.
     
Federer, who turns 32 next Thursday, made the unusual move of participating in a pair of minor clay-court tournaments in the period between playing on Wimbledon's grass and shifting to the North American summer hard-court season.
     
A loss to 116th-ranked Sergiy Stakhovsky in the second round at the All England Club ended Federer's streak of reaching the quarterfinals at 36 consecutive major tournaments. It also marked Federer's earliest Grand Slam exit since 2003.
     
Next came a semifinal loss on clay at Hamburg to 114th-ranked qualifier Federico Delbonis, followed by a defeat against 55th-ranked Daniel Brands in Federer's opening match on clay at Gstaad, Switzerland. In addition to his bothersome back, a recurring issue, Federer was experimenting with a new, larger racket at those tournaments.
     
Still, those results are not the sort Federer usually produces. This has been a tough season by his standards: He is 30-10 with one title in 2013. After Wimbledon, Federer tumbled to No. 5 in the ATP rankings, the first time in a decade he's been that low.

(Agencies)

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