Borna Coric Pictures

  • NEW YORK, NY - SEPTEMBER 08: Borna Coric of Croatia plays a backhand during his junior boys' singles final against Thanasi Kokkinakis of Australia on Day Fourteen of the 2013 US Open at the USTA Billie Jean King National Tennis Center on September 8, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Maddie Meyer/Getty Images)