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NEW YORK, NY - SEPTEMBER 13: Casey Dellacqua (L) of Australia and Yaroslava Shvedova of Kazakhstan react against Martina Hingis of Switzerland and Sania Mirza of India during their Women's Doubles Final on Day Fourteen of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 13, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Maddie Meyer/Getty Images)

NEW YORK, NY - SEPTEMBER 13:  Casey Dellacqua (L) of Australia and Yaroslava Shvedova of Kazakhstan react against Martina Hingis of Switzerland and Sania Mirza of India during their Women's Doubles Final on Day Fourteen of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 13, 2015 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Maddie Meyer/Getty Images)