Alexandr Dolgopolov Pictures
NEW YORK, NY - AUGUST 28: Alexandr Dolgopolov of Ukraine tosses the ball in the air to serve during his men's singles first round match against David Goffin of Belgium on Day Three of the 2013 US Open at USTA Billie Jean King National Tennis Center on August 28, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)