NEW YORK, NY - SEPTEMBER 06: Gael Monfils of France returns a shot to Lucas Pouille of France during their Men's Singles Quarterfinal Match on Day Nine of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 6, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
