NEW YORK, NY - SEPTEMBER 01: Angelique Kerber of Germany returns a shot to Alexandra Dulgheru of Romania during their Women's Singles First Round match on Day Two of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)
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