NEW YORK - AUGUST 31: Roger Federer of Switzerland prepares to hit a shot back to Radek Stepanek of Czechslovakia during Day 7 of the 2008 U.S. Open at the USTA Billie Jean King National Tennis Center on August 31, 2008 in the Flushing neighborhood of the Queens borough of New York City. *** Local Caption *** Roger Federer
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