2016 U.S. Open - Day 9 Roberta Vinci of Italy in action against Angelique Kerber of Germany in the Women's Quarterfinal match on Arthur Ashe Stadium on day nine of the 2016 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on September 6, 2016 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
