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NEW YORK, NY - SEPTEMBER 11: The 2016 US Open Women's Singles champion Angelique Kerber of Germany poses with her trophy on Day Fourteen of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 11, 2016 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Michael Reaves/Getty Images)

NEW YORK, NY - SEPTEMBER 11:  The 2016 US Open Women's Singles champion Angelique Kerber of Germany poses with her trophy on Day Fourteen of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 11, 2016 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Michael Reaves/Getty Images)