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PARIS, FRANCE - MAY 27: Kei Nishikori of Japan hits a backhand during the Men's Singles third round match against Fernando Verdasco 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:  Kei Nishikori of Japan hits a backhand during the Men's Singles third round match against Fernando Verdasco 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)