LPGA Tour
Toto Japan Classic
Past champions
| Year | Course | Winner |
|---|---|---|
| 2026 | Taiheiyo Club (Minori Course) | Winner not recorded |
| 2025 | Taiheiyo Club (Minori Course) | Nasa Hataoka |
| 2024 | Taiheiyo Club (Minori Course) | Rio Takeda |
| 2023 | Taiheiyo Club (Minori Course) | Mone Inami |
| 2022 | Taiheiyo Club (Minori Course) | Gemma Dryburgh |
| 2019 | Taiheiyo Club (Minori Course) | Ai Suzuki |
| 2018 | Taiheiyo Club (Minori Course) | Nasa Hataoka |
| 2017 | Taiheiyo Club (Minori Course) | Shanshan Feng |
| 2016 | Taiheiyo Club (Minori Course) | Shanshan Feng |
| 2015 | Taiheiyo Club (Minori Course) | Ahn Sun-ju |