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I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports
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Juan Martín del Potro epic hints at repeat of 2009 win against Roger Federer | US Open Tennis 2017 | The Guardian
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Roger Federer of Switzerland hits a forehand to Juan Martin Del Potro of Argentina in the second set of their mens final match in Arthur Ashe Stadium at the US Open Tennis
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