NEW YORK, NY - SEPTEMBER 2: Naomi Osaka of Japan in action during her third round match on day 5 of the 2016 US Open at USTA Billie Jean King National Tennis Center on September 2, 2016 in New York City. (Photo by Jean Catuffe/Getty Images)
NEW YORK, NY - SEPTEMBER 2: Naomi Osaka of Japan in action during her third round match on day 5 of the 2016 US Open at USTA Billie Jean King National Tennis Center on September 2, 2016 in New York City. (Photo by Jean Catuffe/Getty Images)