Joao Sousa Pictures

  • NEW YORK, NY - SEPTEMBER 01: Joao Sousa of Portugal plays a forehand against Novak Djokovic of Serbia during the third round match on Day Seven of the 2013 US Open at USTA Billie Jean King National Tennis Center on September 1, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)