2019 US Open Tennis Tournament- Day Five. Kei Nishikori of Japan reacts during his match against Alex de Minaur of Australia in the Men's Singles Round Three match on Grandstand at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 30th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
