Yuichi Sugita Pictures
NEW YORK, NY - AUGUST 31: Yuichi Sugita of Japan plays Leonardo Mayer of Argentina during their second round Men's Singles match on Day Four during the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 31, 2017 in the Queens borough of New York City. (Photo by Mike Stobe/Getty Images for USTA)