Seiko Okamoto defeated Etsuko Kitazaki 6-1 6-4 in the Nagano 25K round of 32 on carpet. The result followed the form book — Seiko Okamoto came in leading the head-to-head 1–0. Seiko Okamoto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Makinohara 25K | R32 | carpet | Seiko Okamoto | 6-1 6-2 |