• NEW YORK, NY - SEPTEMBER 08:  Naomi Osaka of Japan poses with the championship trophy after winning the Women's Singles finals match against Serena Williams of the United States 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 Julian Finney/Getty Images)

    Rise of Naomi Osaka

    How Japan's Naomi Osaka has taken tennis by storm with back-to-back grand slam singles titles.