2018 US Open Tennis Tournament- Day Ten. Kei Nishikori of Japan celebrates victory against Marin Cilic of Croatia in the Men's Singles Quarter Finals match on Arthur Ashe Stadium at the 2018 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on September 5th, 2018 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
