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PARIS, FRANCE - MAY 27: Jack Sock of the United States hits a forehand during the Men's Singles third round match against Albert Ramos-Vinolas of Spain on day six of the 2016 French Open at Roland Garros on May 27, 2016 in Paris, France. (Photo by Julian Finney/Getty Images)

PARIS, FRANCE - MAY 27:  Jack Sock of the United States hits a forehand during the Men's Singles third round match against Albert Ramos-Vinolas of Spain on day six of the 2016 French Open at Roland Garros on May 27, 2016 in Paris, France.  (Photo by Julian Finney/Getty Images)