2019 US Open Tennis Tournament- Day Four.  Coco Gauff of the United States in action against Timea Babos of Hungary in the Women’s Singles Round Two match on Louis Armstrong Stadium at the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on August 29th, 2019 in Flushing, Queens, New York City.  (Photo by Tim Clayton/Corbis via Getty Images)