| 2位 | 2026JPBA Ranking | 15位 |
| Champion('15,'13) | The best performance in JAPAN OPEN | Best8('13) |
| 0.7126(362/508) | Winning percentage after best16 | 0.2766(26/94) |
| 0.5974(92/154) | Total winning percentage on hill to hill | 0.4835(44/91) |
| 0.2627(83/316) | Finals/best16 | 0.0000(0/79) |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 24.01.2026Round of 322026 Kansai Ladies OpenQ-group1 | 2 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 22.11.2025Winners round Finals2025 All Japan Championship WomenStage2 Group1 |
3 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 19.10.2024Round of 322024 Hokuriku Open LadiesQ-group1 | 3 |
| 7 | 28.09.2024Round of 322024 Kyoto Ladies OpenQ-group1 | 0 |
| 7 | 27.07.2024Winners round Finals2024 All Japan Ladies Tour 4thQ-group1 | 1 |
| 7 | 13.07.2024Round of 162024 Tokai Ladies Grand PrixQ-1 | 0 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 19.08.2023Winners round Finals2023 All Japan Ladies Tour 4thQ-group1 | 6 |
| 7 | 17.06.2023Winners round Finals2023 All Japan Ladies Tour 3rdQ-group1 | 3 |
| 7 | 13.05.2023Winners round Finals2023 All Japan Ladies Tour 2ndQ-group1 | 3 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 05.08.2018Semi-finals2018 All Japan Ladies Tour 4th |
1 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 6 | 07.10.2017Winners round Finals2017 Hokuriku Open LadiesQ-group1 | 0 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 03.09.20162016 All Japan Ladies Tour 3rdQ-group1 | 1 |
| 7 | 23.04.20162016 All Japan Ladies Tour 2ndQ1 | 1 |
| 4 | 26.03.20162016 All Japan Ladies Tour 1stQ1 | 7 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 25.08.2013Round of 162013 Kanto Ladies Open | 5 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 15.05.2011Semi-finals2011 All Japan Ladies 9ball Open | 4 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 8 | 20.04.2008Semi-finals2008 All Japan Ladies Tour 2nd | 4 |
Chihiro KAWAHARA |
Rieko HAJI |
|
| 7 | 29.05.2004Round of 162004 All Japan 9ball Ladies Open | 5 |