This is a list of the main career statistics of professional tennis player Naomi Osaka. She was the champion of the 2018 US Open, 2019 Australian Open, 2020 US Open, and 2021 Australian Open. Performance timelines Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records. Singles Current through the 2022 Toray Pan Pacific Open. Doubles Grand Slam finals Singles: 4 (4 titles) WTA 1000 finals Singles: 4 (2 titles, 2 runner–ups) WTA career finals Singles: 11 (7 titles, 4 runner–ups) WTA Challenger finals Singles: 1 (1 runner-up) ITF Circuit finals Singles: 4 (4 runner–ups) WTA Tour career earnings Current as of 15 November 2021 Career Grand Slam tournament seedings The tournaments won by Naomi Osaka are in boldface. Head-to-head records Record against top 10 players Osaka's record against players who have been ranked in the top 10. Active players are in boldface. No. 1 wins Top 10 wins Osaka has a 12–20 (37.5%) W–L record against players who were, at the time the match was played, ranked in the top 10. Double bagel matches (6–0, 6–0) National and international representation Fed Cup: 6 (5–1) Singles: 6 (5–1) Longest winning streaks 23 match win streak (2020–21) Notes References External links Official website Naomi Osaka – Japan Tennis Association Osaka, Naomi