| 7位 | 2026JPBA Ranking | 2位 |
| Best16('25,'24,'22,etc..) | The best performance in JAPAN OPEN | Champion('15,'13) |
| 0.4737(27/57) | Winning percentage after best16 | 0.7126(362/508) |
| 0.3611(13/36) | Total winning percentage on hill to hill | 0.5974(92/154) |
| 0.1163(5/43) | Finals/best16 | 0.2627(83/316) |
Tamami OKUDA |
Chihiro KAWAHARA |
|
| 6 | 13.04.2025Final2025 Kantou Ladies Open |
7 |
Tamami OKUDA |
Chihiro KAWAHARA |
|
| 6 | 26.05.2024Quarter-finals2024 Osaka Queens Open |
7 |
Tamami OKUDA |
Chihiro KAWAHARA |
|
| 0 | 18.06.2023Quarter-finals2023 All Japan Ladies Tour 3rd | 7 |
| 7 | 12.03.2023Quarter-finals2023 All Japan Ladies Tour 1st | 5 |
| 4 | 28.01.2023Losers round Finals2023 Kansai Ladies OpenQ-group2 | 6 |
Tamami OKUDA |
Chihiro KAWAHARA |
|
| 3 | 28.05.2022Winners round 22022 Osaka Queens OpenQ1 | 6 |
Tamami OKUDA |
Chihiro KAWAHARA |
|
| 7 | 14.07.2019Winners round 22019 Japan Open LadiesQ-group1 | 6 |