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![Photo: Roger Federer and Juan Martin Del Potro meet in the Men's Singles Final at the US Open Tennis Championships in New York - NYP20090914108 - UPI.com Photo: Roger Federer and Juan Martin Del Potro meet in the Men's Singles Final at the US Open Tennis Championships in New York - NYP20090914108 - UPI.com](https://cdnph.upi.com/pv/upi/c452ea627dafc0eca94c8c015c5f70b4/2009-US-OPEN.jpg)
Photo: Roger Federer and Juan Martin Del Potro meet in the Men's Singles Final at the US Open Tennis Championships in New York - NYP20090914108 - UPI.com
![Roger Federer of Switzerland hits the ball through his legs while playing Novak Djokovic of Serbia during their semi-finals match at the U.S. Open tennis tournament in New York September 13, 2009. Roger Federer of Switzerland hits the ball through his legs while playing Novak Djokovic of Serbia during their semi-finals match at the U.S. Open tennis tournament in New York September 13, 2009.](https://c8.alamy.com/comp/2D2CA4X/roger-federer-of-switzerland-hits-the-ball-through-his-legs-while-playing-novak-djokovic-of-serbia-during-their-semi-finals-match-at-the-us-open-tennis-tournament-in-new-york-september-13-2009-federer-conjured-the-brilliant-winner-from-between-his-legs-to-bring-up-match-point-as-he-won-7-6-7-5-7-5-in-sundays-semi-final-he-earned-triple-match-point-by-racing-to-the-baseline-to-retrieve-a-lob-from-the-fourth-seeded-serb-and-with-his-back-to-the-net-whacked-a-low-crosscourt-winner-past-a-stunned-djokovic-reutersshaun-best-united-states-sport-tennis-images-of-the-day-2D2CA4X.jpg)
Roger Federer of Switzerland hits the ball through his legs while playing Novak Djokovic of Serbia during their semi-finals match at the U.S. Open tennis tournament in New York September 13, 2009.
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