2016 U.S. Open - Day 14 The 09/11/01 tribute on the court during the Novak Djokovic of Serbia against Stan Wawrinka of Switzerland in the Men"u2019s Singles Final on Arthur Ashe Stadium on day fourteen of the 2016 US Open Tennis Tournament at the USTA Billie Jean King National Tennis Center on September 11, 2016 in Flushing, Queens, New York City. (Photo by Tim Clayton/Corbis via Getty Images)
