# Japan Women's Open — Title History

Source: https://tennis-db.com/wta/tournaments/balldontlie_wta:85/japan-womens-open/history
Tour: WTA
Current official name: Kinoshita Group Japan Open Tennis Championships
Also known as: Japan Open, Osaka Open, Japan Women's Tennis Open

## Summary
- Total editions: 16
- First edition: 1970
- Latest edition: 2025

## Most titles
- Samantha Stosur: 3 (2014, 2013, 2009)

## Champions by year
| Season | Champion | Runner-up | Score |
| ---: | :--- | :--- | :--- |
| 2026 | ? | ? |  |
| 2025 | Leylah Fernandez | Tereza Valentova | 6-0 5-7 6-3 |
| 2024 | Suzan Lamens | Kimberly Birrell | 6-0 6-4 |
| 2023 | Ashlyn Krueger | Lin Zhu | 6-3 7-6(6) |
| 2019 | Naomi Osaka | Anastasia Pavlyuchenkova | 6-2 6-3 |
| 2017 | Zarina Diyas | Miyu Kato | 6-2 7-5 |
| 2016 | Christina Mchale | Katerina Siniakova | 3-6 6-4 6-4 |
| 2014 | Samantha Stosur | Zarina Diyas | 7-6(7) 6-3 |
| 2013 | Samantha Stosur | Eugenie Bouchard | 3-6 7-5 6-2 |
| 2012 | Heather Watson | Kai-Chen Chang | 7-5 5-7 7-6(4) |
| 2011 | Marion Bartoli | Samantha Stosur | 6-3 6-1 |
| 2010 | Tamarine Tanasugarn | Kimiko Date | 7-5 6-7(4) 6-1 |
| 2009 | Samantha Stosur | Francesca Schiavone | 7-5 6-1 |
| 1994 | Manuela Maleeva Fragniere | Iva Majoli | 6-1 4-6 7-5 |
| 1993 | Jana Novotna | Kimiko Date | 6-3 6-2 |
| 1992 | Helena Sukova | Laura Arraya | 6-2 4-6 6-1 |
| 1970 | Kazuko Sawamatsu | Kathleen Harter | 6-3 7-5 |

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Canonical URL: https://tennis-db.com/wta/tournaments/balldontlie_wta:85/japan-womens-open/history
Data source: TennisDB (tennis-db.com)