![Ivo Karlovic of Croatia prepares to return the ball to Switzerland's Roger Federer during their semi-final match at the Swiss Indoors ATP tennis tournament in Basel October 25, 2014. REUTERS/Arnd Wiegmann (SWITZERLAND - Ivo Karlovic of Croatia prepares to return the ball to Switzerland's Roger Federer during their semi-final match at the Swiss Indoors ATP tennis tournament in Basel October 25, 2014. REUTERS/Arnd Wiegmann (SWITZERLAND -](https://c8.alamy.com/comp/2CMCMW2/ivo-karlovic-of-croatia-prepares-to-return-the-ball-to-switzerlands-roger-federer-during-their-semi-final-match-at-the-swiss-indoors-atp-tennis-tournament-in-basel-october-25-2014-reutersarnd-wiegmann-switzerland-tags-sport-tennis-2CMCMW2.jpg)
Ivo Karlovic of Croatia prepares to return the ball to Switzerland's Roger Federer during their semi-final match at the Swiss Indoors ATP tennis tournament in Basel October 25, 2014. REUTERS/Arnd Wiegmann (SWITZERLAND -
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Switzerlands Roger Federer returns ball Moldovas Radu Editorial Stock Photo - Stock Image | Shutterstock
![Switzerland's Roger Federer returns the ball during his match against Adrian Mannarino of France at the Switzerland's Roger Federer returns the ball during his match against Adrian Mannarino of France at the](https://c8.alamy.com/comp/2CYANXB/switzerlands-roger-federer-returns-the-ball-during-his-match-against-adrian-mannarino-of-france-at-the-swiss-indoors-atp-tennis-tournament-in-basel-october-21-2013-reutersarnd-wiegmann-switzerland-tags-sport-tennis-2CYANXB.jpg)
Switzerland's Roger Federer returns the ball during his match against Adrian Mannarino of France at the
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Switzerlands Roger Federer serves Romanias Marius Copil Editorial Stock Photo - Stock Image | Shutterstock
Federer suffers against Krajinovic in first round of ATP Basel | Sports | English edition | Agencia EFE
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