NEW YORK, NY - SEPTEMBER 01: Simona Halep of Romania reacts against Lucie Safarova of the Czech Republic during her second round Women's Singles match on Day Four of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
