Ryoko Takemura defeated Tomoyo Takagishi 6-0 3-6 6-2 in the Yamaguchi 10K round of 32 on clay. The upset overturned the form book — Tomoyo Takagishi came in leading the head-to-head 1–0. Ryoko Takemura claimed a first win over Tomoyo Takagishi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-06 | Ibaraki 25K | R16 | hard | Tomoyo Takagishi | 1-6 6-1 7-6(4) |