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PARIS, FRANCE - MAY 31: Grigor Dimitrov of Bulgaria plays a forehand during the mens singles second round match against Tommy Robredo of Spain on day four of the 2017 French Open at Roland Garros on May 31, 2017 in Paris, France. (Photo by Clive Brunskill/Getty Images)

PARIS, FRANCE - MAY 31:  Grigor Dimitrov of Bulgaria plays a forehand during the mens singles second round match against Tommy Robredo of Spain on day four of the 2017 French Open at Roland Garros on May 31, 2017 in Paris, France.  (Photo by Clive Brunskill/Getty Images)