Maika Ozaki defeated Ayami Takase 6-2 6-4 in the Gunma 10K final on grass. The upset overturned the form book — Ayami Takase came in leading the head-to-head 2–0. Maika Ozaki claimed a first win over Ayami Takase in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-18 | Haibara 25K | R16 | carpet | Ayami Takase | 6-4 6-1 |
| 2002-10-14 | Haibara 25K | R16 | carpet | Ayami Takase | 4-6 6-2 6-4 |