NEW YORK, NY - AUGUST 29: Roberta Vinci of Italy shakes hands with Anna-Lena Friedsam of Germany after her win during her first round Women's Singles match on Day One of the 2016 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)
