Mikhail Kukushkin Pictures
NEW YORK, NY - AUGUST 30: Mikhail Kukushkin of Kazakhstan celebrates the point during his men's singles second round match against Hyeon Chung of South Korea on Day Four of the 2018 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)