Lowest winning score
-24
2003
Highest winning score
-5
1991
Avg winning score
-15.1
15 editions
| Year | Tournament | Tour | Winner | Purse |
|---|
| 2025 | TOTO Japan Classic | LPGA Tour | Nasa Hataoka | USD 2,100,000 |
| 2024 | TOTO Japan Classic | LPGA Tour | Rio Takeda | USD 2,000,000 |
| 2022 | TOTO Japan Classic | LPGA Tour | Gemma Dryburgh | USD 2,000,000 |
| 2019 | TOTO Japan Classic | LPGA Tour | Ai Suzuki | USD 1,500,000 |
| 2018 | TOTO Japan Classic | LPGA Tour | Nasa Hataoka | USD 1,500,000 |
| 2005 | Mizuno Classic | LPGA Tour | Annika Sorenstam | USD 1,000,000 |
| 2004 | Mizuno Classic | LPGA Tour | Annika Sorenstam | USD 1,000,000 |
| 2003 | Mizuno Classic | LPGA Tour | Annika Sorenstam | USD 1,130,000 |
| 2002 | Mizuno Classic | LPGA Tour | Annika Sorenstam | USD 1,130,000 |
| 2000 | Mizuno Classic | LPGA Tour | Lorie Kane | USD 850,000 |
| 1999 | Mizuno Classic | LPGA Tour | Maria McBride | USD 800,000 |
| 1997 | Toray Japan Queens Cup | LPGA Tour | Liselotte Neumann | USD 750,000 |
| 1995 | Toray Japan Queens Cup | LPGA Tour | Woo-Soon Ko | USD 700,000 |
| 1991 | Mazda Japan Classic | LPGA Tour | Liselotte Neumann | USD 550,000 |
| 1989 | Mazda Japan Classic | LPGA Tour | Elaine Crosby | USD 500,000 |