Yen-Hsun Lu Pictures

  • NEW YORK, NY - AUGUST 30: Yen-Hsun Lu of Chinese Taipei serves during his men's singles second round match against Tommy Haas of Germany on Day Five of the 2013 US Open at USTA Billie Jean King National Tennis Center on August 30, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)