NEW YORK – SEPTEMBER 01: Ryan Harrison of the United States returns a shot against Ivan Ljubicic of Croatia after his first round men’s singles match on day three of the 2010 U.S. Open at the USTA Billie Jean King National Tennis Center on September 1, 2010 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Andrew Burton/Getty Images) *** Local Caption *** Ryan Harrison
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