NEW YORK - AUGUST 30: Kei Nishikori of Japan returns a shot against David Ferrer of Spain during Day 6 of the 2008 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2008 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Tommy Hindley/Professional Sport/Popperfoto via Getty Images/Getty Images)