![When Federer, Nadal and Djokovic all made the semifinals of a Grand Slam but couldn't win the title: Juan Martin Del Potro's epic US Open 2009 victory When Federer, Nadal and Djokovic all made the semifinals of a Grand Slam but couldn't win the title: Juan Martin Del Potro's epic US Open 2009 victory](https://staticg.sportskeeda.com/editor/2022/02/9545d-16441364124189-1920.jpg)
When Federer, Nadal and Djokovic all made the semifinals of a Grand Slam but couldn't win the title: Juan Martin Del Potro's epic US Open 2009 victory
![Switzerland's Roger Federer returns to Argentina's Juan Martin Del Potro in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP Photo/Rob Griffith Switzerland's Roger Federer returns to Argentina's Juan Martin Del Potro in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP Photo/Rob Griffith](https://c8.alamy.com/comp/2P97BM9/switzerlands-roger-federer-returns-to-argentinas-juan-martin-del-potro-in-a-mens-singles-match-against-at-the-australian-open-tennis-championship-in-melbourne-australia-tuesday-jan-27-2009-ap-photorob-griffith-2P97BM9.jpg)
Switzerland's Roger Federer returns to Argentina's Juan Martin Del Potro in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP Photo/Rob Griffith
![When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins](https://staticg.sportskeeda.com/editor/2022/09/98e9a-16637550704162-1920.jpg?w=840)
When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins
![Roger Federer says Juan Martin del Potro has 'better chance' of beating Rafael Nadal at US Open | Tennis News | Sky Sports Roger Federer says Juan Martin del Potro has 'better chance' of beating Rafael Nadal at US Open | Tennis News | Sky Sports](https://e0.365dm.com/17/09/2048x1152/skysports-tennis-us-open-roger-federer_4093932.jpg)
Roger Federer says Juan Martin del Potro has 'better chance' of beating Rafael Nadal at US Open | Tennis News | Sky Sports
![I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports](https://www.essentiallysports.com/wp-content/uploads/f_Del-Potro-2009-50thSeries.jpg)
I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports
![Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro](https://firstsportz.com/wp-content/uploads/2022/07/Roger-Federer-4.jpg)