| ACTIVE | PLAYER | TITLES |
|---|---|---|
| Samantha Stosur | 3 | |
| A | Leylah Fernandez (Current) | 1 |
| A | Suzan Lamens | 1 |
| A | Ashlyn Krueger | 1 |
| A | Nao Hibino | 1 |
| A | Hsieh Su-wei | 1 |
| A | Zarina Diyas | 1 |
| Christina McHale | 1 | |
| A | Yanina Wickmayer | 1 |
| A | Heather Watson | 1 |
| Marion Bartoli | 1 | |
| Tamarine Tanasugarn | 1 |
Table: From 2009 onward, Most Kinoshita Group Japan Open Titles (Women), WTA 250, Osaka, Tennis, Ranked.