NEW YORK, NY – SEPTEMBER 06: Na Li of China plays a forehand during her women’s singles semifinal match against Serena Williams of United States of America on Day Twelve of the 2013 US Open at USTA Billie Jean King National Tennis Center on September 6, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)
2013 US Open – Day 12
