Roger Federer of Switzerland in action during his match against Pablo... Nachrichtenfoto - Getty Images
25 Jan 2009, Melbourne, Australia --- Roger Federer of Switzerland... Nachrichtenfoto - Getty Images
October 10. Leandro Riedi of Switzerland in action against Dominic... Nachrichtenfoto - Getty Images
Kei Nishikori of Japan reacts against Roger Federer of Switzerland... Nachrichtenfoto - Getty Images
Roger Federer of Switzerland swings an oversized racket to return a... Nachrichtenfoto - Getty Images
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Tennis - ATP 500 - Swiss Indoors Basel - St. Jakobshalle, Basel, Switzerland - October 25, 2019 Spain's Roberto Bautista
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Tennis - Australian Open - Melbourne Park - 25/1/06 Martina Hingis ( Switzerland) during her match Mandatory Credit: Action Images / Jason O'Brien Livepic Stock Photo - Alamy
![Ivo Karlovic of Croatia returns 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 - Tags: Ivo Karlovic of Croatia returns 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 - Tags:](https://c8.alamy.com/comp/2CNT6G4/ivo-karlovic-of-croatia-returns-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-2CNT6G4.jpg)
Ivo Karlovic of Croatia returns 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 - Tags:
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