NEW YORK, NY - AUGUST 30: Kei Nishikori of Japan reacts after defeating Benjamin Becker of Germany during his first round Men's Singles match on Day Two of the 2016 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
