U.S. Open: Day 9
In This Photo: Novak Djokovic
Novak Djokovic of Serbia celebrates winning his men's singles fourth round match against Marcel Granollers of Spain on Day Nine of the 2013 US Open at USTA Billie Jean King National Tennis Center on September 3, 2013 in the Flushing neighborhood of the Queens borough of New York City.
(Sept. 2, 2013 - Source: Al Bello/Getty Images North America) more pics from this album »