NEW YORK, NY - SEPTEMBER 02: Jared Donaldson of the United States serves against Simone Roncalli of Italy during their junior boys' singles second round match on Day Nine of the 2014 US Open at the USTA Billie Jean King National Tennis Center on September 2, 2014 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)
