![Roger Federer of Switzerland hits a ball during a practice session prior to the 2015 U.S. Open at the USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Roger Federer of Switzerland hits a ball during a practice session prior to the 2015 U.S. Open at the USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the](https://c8.alamy.com/comp/2EX9GFT/roger-federer-of-switzerland-hits-a-ball-during-a-practice-session-prior-to-the-2015-us-open-at-the-usta-billie-jean-king-national-tennis-center-in-the-flushing-neighborhood-of-the-queens-borough-of-new-york-ny-on-august-28-2015-photo-by-anthony-behar-please-use-credit-from-credit-field-2EX9GFT.jpg)
Roger Federer of Switzerland hits a ball during a practice session prior to the 2015 U.S. Open at the USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the
![Switzerlands roger federer during a practice session at wimbledon hi-res stock photography and images - Alamy Switzerlands roger federer during a practice session at wimbledon hi-res stock photography and images - Alamy](https://c8.alamy.com/comp/2D4JBWN/switzerlands-roger-federer-rests-during-a-practice-session-at-the-wimbledon-tennis-championships-in-london-june-28-2005-reuterstoby-melville-crbmsf-2D4JBWN.jpg)
Switzerlands roger federer during a practice session at wimbledon hi-res stock photography and images - Alamy
![Roger Federer of Switzerland looks on during a practice session ahead... | Tennis clothes, Roger federer, Rogers Roger Federer of Switzerland looks on during a practice session ahead... | Tennis clothes, Roger federer, Rogers](https://i.pinimg.com/originals/a5/b3/65/a5b365b0dcb8391d2d1f9636f1eaf55d.jpg)