![Roger Federer of Switzerland plays a return to Gianluca Pozzi of Italy during their quarter finale match at the Copenhagen Open March 3. KM Stock Photo - Alamy Roger Federer of Switzerland plays a return to Gianluca Pozzi of Italy during their quarter finale match at the Copenhagen Open March 3. KM Stock Photo - Alamy](https://c8.alamy.com/comp/2D59YG9/roger-federer-of-switzerland-plays-a-return-to-gianluca-pozzi-of-italy-during-their-quarter-finale-match-at-the-copenhagen-open-march-3-km-2D59YG9.jpg)
Roger Federer of Switzerland plays a return to Gianluca Pozzi of Italy during their quarter finale match at the Copenhagen Open March 3. KM Stock Photo - Alamy
![Roger Federer of Switzerland, who is the top seeded player, celebrates after beating Lleyton Hewitt (AUS) in the fourth set their semi-final match at the US Open Tennis tournament held at the Roger Federer of Switzerland, who is the top seeded player, celebrates after beating Lleyton Hewitt (AUS) in the fourth set their semi-final match at the US Open Tennis tournament held at the](https://l450v.alamy.com/450v/tyhm8j/top-seeded-roger-federer-of-switzerland-returns-the-ball-to-tim-henman-of-great-britain-at-the-us-open-held-at-the-usta-billie-jean-king-national-tennis-center-on-september-1-2006-in-new-york-agassi-a-two-time-us-open-winner-who-is-unseeded-announced-that-he-will-retire-after-this-tournament-upi-photomonika-graff-tyhm8j.jpg)
Roger Federer of Switzerland, who is the top seeded player, celebrates after beating Lleyton Hewitt (AUS) in the fourth set their semi-final match at the US Open Tennis tournament held at the
![Roger Federer of Switzerland celebrates his win over alternate player Thomas Johansson of Sweden at the Tennis Masters Cup tournament in Shanghai November 15, 2002. Federer beat Johansson 6-3 7-5 to advance Roger Federer of Switzerland celebrates his win over alternate player Thomas Johansson of Sweden at the Tennis Masters Cup tournament in Shanghai November 15, 2002. Federer beat Johansson 6-3 7-5 to advance](https://l450v.alamy.com/450v/2d3am3k/roger-federer-of-switzerland-celebrates-his-win-over-alternate-player-thomas-johansson-of-sweden-at-the-tennis-masters-cup-tournament-in-shanghai-november-15-2002-federer-beat-johansson-6-3-7-5-to-advance-to-the-semi-finals-johansson-replaced-andre-agassi-of-the-united-states-who-withdrew-from-the-tournament-due-to-a-hip-injury-reutersclaro-cortes-iv-bygb-2d3am3k.jpg)