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PARIS, FRANCE - MAY 31: Novak Djokovic of Serbia reacts during the Men's Singles fourth round match against Roberto Bautista Agut of Spain on day ten of the 2016 French Open at Roland Garros on May 31, 2016 in Paris, France. (Photo by Clive Brunskill/Getty Images)

PARIS, FRANCE - MAY 31:  Novak Djokovic of Serbia reacts during the Men's Singles fourth round match against Roberto Bautista Agut of Spain on day ten of the 2016 French Open at Roland Garros on May 31, 2016 in Paris, France.  (Photo by Clive Brunskill/Getty Images)