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Roger Federer and Juan Martin Del Potro meet in the Men's Singles Final at the US Open Tennis Championships in New York
Juan Martin Del Potro of Argentina reacts after losing a point to Roger Federer of Switzerland in the second set of their mens final match in Arthur Ashe Stadium at the US Open Tennis Championships at the Billie Jean King National Tennis Center in New York on September 14, 2009. UPI/John Angelillo