Osaka — Full tournament history

Covers 14 recorded editions from 1970 to 2025. The page shows title leaders, champions, scores, runners-up, surfaces, categories, H2H links, and match data links when available.

Editions
14
First edition
1970
Latest edition
2025
Defending champion
Leylah Fernandez

Most Titles

PlayerTitlesSeasons
Samantha Stosur 3 2014, 2013, 2009
Ashlyn Krueger 1 2023
Heather Watson 1 2012
Helena Sukova 1 1992
Jana Novotna 1 1993

Tournament Finals by Season

SeasonCategorySurfaceWinnerScoreRunner-upH2HMatch
2025 WTA 250 Hard Leylah Fernandez #25 6-0 5-7 6-3 Tereza Valentova #75 H2H Match data
2024 WTA 250 Hard Suzan Lamens #125 6-0 6-4 Kimberly Birrell #150 H2H Match data
2023 WTA 250 Hard Ashlyn Krueger #123 6-3 7-6(6) Lin Zhu #35 H2H Match data
2019 WTA 250 Hard Naomi Osaka #4 6-2 6-3 Anastasia Pavlyuchenkova #41 H2H Match data
2014 WTA 250 Hard Samantha Stosur #18 7-6(7) 6-3 Zarina Diyas #37 H2H Match data
2013 WTA 250 Hard Samantha Stosur #20 3-6 7-5 6-2 Eugenie Bouchard #35 H2H Match data
2012 WTA 250 Hard Heather Watson #71 7-5 5-7 7-6(4) Kai-Chen Chang #134 H2H Match data
2011 WTA 250 Hard Marion Bartoli #11 6-3 6-1 Samantha Stosur #6 H2H Match data
2010 WTA 250 Hard Tamarine Tanasugarn #94 7-5 6-7(4) 6-1 Kimiko Date Krumm H2H Match data
2009 WTA 250 Hard Samantha Stosur #15 7-5 6-1 Francesca Schiavone #26 H2H Match data
1994 WTA 250 Carpet Manuela Maleeva Fragniere #9 6-1 4-6 7-5 Iva Majoli #47 H2H Match data
1993 WTA 250 Carpet Jana Novotna #9 6-3 6-2 Kimiko Date Krumm H2H Match data
1992 WTA 250 Carpet Helena Sukova #17 6-2 4-6 6-1 Laura Arraya #23 H2H Match data
1970 WTA 250 — Kazuko Sawamatsu 6-3 7-5 Kathleen Harter H2H Match data