NEW YORK, NY - AUGUST 25:  Simona Halep of Romania reacts against Danielle Rose Collins of the United States during their women's singles first round match on Day One of the 2014 US Open at the USTA Billie Jean King National Tennis Center on August 25, 2014  in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Matthew Stockman/Getty Images)