2019 US Open Tennis Tournament- Day Ten. Bianca Andreescu of Canada reacts to winning the second set against Elise Mertens of Belgium in the Women's Singles Quarter-Finals match on Arthur Ashe Stadium during the 2019 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on September 4th, 2019 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
