The Medalist

Naomi Osaka

Tennis · Japan

Four-time Grand Slam champion and former world No. 1 — Japan’s biggest tennis star, and a global brand beyond the baseline.

Updated Jul 23, 2026

Team
WTA Tour (independent)
Active since
2013–14 (WTA breakthrough years; turned pro 2012)
Has played for
Japan Billie Jean King Cup team

Key stats

  • Four Grand Slam singles titles: US Open 2018 & 2020; Australian Open 2019 & 2021
  • Undefeated in Grand Slam finals (4–0)
  • First Asian player ranked WTA world No. 1 (January 2019)
  • Career prize money above $25 million
  • 2018 Indian Wells title announced the hard-court peak before the Slam run
  • Major commercial portfolio across apparel, beauty, and finance

Naomi Osaka was born on 16 October 1997 in Chūō-ku, Osaka, to a Japanese mother and Haitian father, and largely grew up in the United States while representing Japan. She turned professional as a teenager and broke through with a first big title at Indian Wells in 2018.

From 2018 to 2021 she won four majors without losing a Slam final, rose to world No. 1, and became the face of a new era of Asian tennis stardom. Time away for maternity and mental health, then a measured return, made her career as much about choosing when to compete as about accumulating titles.

Off court she built one of sport’s most valuable personal brands — deals that outlasted any single ranking week — while remaining a primary Japanese sports celebrity for domestic media.

Osaka changed the job description for a tennis star from Asia: Slam champion, cultural figure, and someone allowed to step back without disappearing. The tennis question now is how many more deep Slam runs she wants. The larger story is already finished: she proved the market would follow a Japanese champion who did not look or sound like the old template.

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