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NEW YORK, NY - SEPTEMBER 08: Serena Williams of the United States picks up her broken racket during her Women's Singles finals match against Naomi Osaka of Japan on Day Thirteen of the 2018 US Open at the USTA Billie Jean King National Tennis Center on September 8, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Michael Owens/Getty Images)

NEW YORK, NY - SEPTEMBER 08: Serena Williams of the United States picks up her broken racket during her Women's Singles finals match against Naomi Osaka of Japan on Day Thirteen of the 2018 US Open at the USTA Billie Jean King National Tennis Center on September 8, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Michael Owens/Getty Images)