NEW YORK, NY - SEPTEMBER 05: Karolina Pliskova of the Czech Republic reacts against Venus Williams of the United States during her fourth round Women's Singles match on Day Eight of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 5, 2016 in the Queens borough of New York City. (Photo by Chris Trotman/Getty Images for USTA)
