Maika Ozaki defeated Tomoyo Takagishi 7-5 6-4 in the Gunma 10K round of 16 on grass. The upset overturned the form book — Tomoyo Takagishi came in leading the head-to-head 1–0. Maika Ozaki claimed a first win over Tomoyo Takagishi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-04 | Kyoto 10K | SF | carpet | Tomoyo Takagishi | 7-5 6-4 |