David Carter

Japanese tennis star Naomi Osaka has become the world’s highest-paid female athlete, making US$37.4 million (S$50 million) in the past 12 months for an earnings record, Forbes magazine reported on Friday. The 22-year-old Asian star, a two-time Grand Slam champion, edged US rival Serena Williams by US$1.4 million in prize money and endorsement income over the past year. Both shattered the old single-year earnings mark of US$29.7 million set in 2015 by Russia’s Maria Sharapova, who retired in February with five Grand Slam titles, including a career Slam. “To those outside the tennis world, Osaka is a relatively fresh face with a great back story,” University of Southern California sports business professor David Carter told Forbes. “Combine that with being youthful and bicultural – two attri...