PARIS, FRANCE - MAY 25: Kei Nishikori of Japan plays a backhand during the Men's Singles second round match against Andrey Kuznetsov of Russia at Roland Garros on May 25, 2016 in Paris, France. (Photo by Dennis Grombkowski/Getty Images)
PARIS, FRANCE - MAY 25: Kei Nishikori of Japan plays a backhand during the Men's Singles second round match against Andrey Kuznetsov of Russia at Roland Garros on May 25, 2016 in Paris, France. (Photo by Dennis Grombkowski/Getty Images)