PARIS, FRANCE - MAY 27: Kei Nishikori of Japan looks on during his Men's Singles match against Thomaz Bellucci of Brazil during day four of the 2015 French Open at Roland Garros on May 27, 2015 in Paris, France. (Photo by Julian Finney/Getty Images)
PARIS, FRANCE - MAY 27: Kei Nishikori of Japan looks on during his Men's Singles match against Thomaz Bellucci of Brazil during day four of the 2015 French Open at Roland Garros on May 27, 2015 in Paris, France. (Photo by Julian Finney/Getty Images)