Ryan Harrison Pictures

  • NEW YORK, NY - AUGUST 26: Rafael Nadal of Spain shakes hands with Ryan Harrison of the United States after their first round men's singles match on Day One of the 2013 US Open at USTA Billie Jean King National Tennis Center on August 26, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)