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Osaka
18 titles on record, 1970–2025; played on Hard (13 editions), Carpet (3 editions), Clay (1 editions), Unknown (1 editions). Most titles: Samantha Stosur (3).
Open in the atlas →Titles18
Editions18
Different champions16
SurfaceHard
Most titles here
| Player | Titles | Years |
|---|---|---|
| Samantha Stosur | 3 | 2009, 2013, 2014 |
| Leylah Fernandez | 1 | 2025 |
| Suzan Lamens | 1 | 2024 |
| Ashlyn Krueger | 1 | 2023 |
| Naomi Osaka | 1 | 2019 |
| Heather Watson | 1 | 2012 |
| Marion Bartoli | 1 | 2011 |
| Tamarine Tanasugarn | 1 | 2010 |
| Pete Sampras | 1 | 1994 |
| Manuela Maleeva Fragniere | 1 | 1994 |
Roll of honour
| Year | Date | Tournament | Draw | Surface | Champion | Runner-up | Score |
|---|---|---|---|---|---|---|---|
| 2025 | 2025-10-13 | Osaka | WTA singles | Hard | Leylah Fernandez | Tereza Valentova | 6-0 5-7 6-3 |
| 2024 | 2024-10-14 | Osaka | WTA singles | Hard | Suzan Lamens | Kimberly Birrell | 6-0 6-4 |
| 2023 | 2023-09-11 | Osaka | WTA singles | Hard | Ashlyn Krueger | Lin Zhu | 6-3 7-6(6) |
| 2019 | 2019-09-16 | Osaka | WTA singles | Hard | Naomi Osaka | Anastasia Pavlyuchenkova | 6-2 6-3 |
| 2014 | 2014-10-06 | Osaka | WTA singles | Hard | Samantha Stosur | Zarina Diyas | 7-6(7) 6-3 |
| 2013 | 2013-10-07 | Osaka | WTA singles | Hard | Samantha Stosur | Eugenie Bouchard | 3-6 7-5 6-2 |
| 2012 | 2012-10-08 | Osaka | WTA singles | Hard | Heather Watson | Kai Chen Chang | 7-5 5-7 7-6(4) |
| 2011 | 2011-10-10 | Osaka | WTA singles | Hard | Marion Bartoli | Samantha Stosur | 6-3 6-1 |
| 2010 | 2010-10-11 | Osaka | WTA singles | Hard | Tamarine Tanasugarn | Kimiko Date Krumm | 7-5 6-7(4) 6-1 |
| 2009 | 2009-10-12 | Osaka | WTA singles | Hard | Samantha Stosur | Francesca Schiavone | 7-5 6-1 |
| 1994 | 1994-03-28 | Osaka | ATP singles | Hard | Pete Sampras | Lionel Roux | 6-2 6-2 |
| 1994 | 1994-02-08 | Osaka | WTA singles | Carpet | Manuela Maleeva Fragniere | Iva Majoli | 6-1 4-6 7-5 |
| 1993 | 1993-03-29 | Osaka | ATP singles | Hard | Michael Chang | Amos Mansdorf | 6-4 6-4 |
| 1993 | 1993-02-09 | Osaka | WTA singles | Carpet | Jana Novotna | Kimiko Date Krumm | 6-3 6-2 |
| 1992 | 1992-02-04 | Osaka | WTA singles | Carpet | Helena Sukova | Laura Arraya | 6-2 4-6 6-1 |
| 1978 | 1978-10-23 | Osaka | ATP singles | Clay | Adriano Panatta | Pat Dupre | 6-3 6-3 |
| 1973 | 1973-10-07 | Osaka | ATP singles | Hard | Ken Rosewall | Toshiro Sakai | 6-2 6-4 |
| 1970 | 1970-11-02 | Osaka | WTA singles | Unknown | Kazuko Sawamatsu | Kathleen Harter | 6-3 7-5 |