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NEW YORK, NY - AUGUST 30: Allie Kiick of the United States returns a shot against Daria Gavrilova of Australia during their first round Women's Singles match on Day Three of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2017 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)

NEW YORK, NY - AUGUST 30:  Allie Kiick of the United States returns a shot against Daria Gavrilova of Australia during their first round Women's Singles match on Day Three of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 30, 2017 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Matthew Stockman/Getty Images)