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NEW YORK, NEW YORK - SEPTEMBER 07: Bianca Andreescu of Canada poses with the championship trophy after winning the Women's Singles final match against Serena Williams of the United States on day thirteen of the 2019 US Open at the USTA Billie Jean King National Tennis Center on September 07, 2019 in the Queens borough of New York City. (Photo by Elsa/Getty Images)

NEW YORK, NEW YORK - SEPTEMBER 07: Bianca Andreescu of Canada poses with the championship trophy after winning the Women's Singles final match against Serena Williams of the United States on day thirteen of the 2019 US Open at the USTA Billie Jean King National Tennis Center on September 07, 2019 in the Queens borough of New York City. (Photo by Elsa/Getty Images)