Seiko Okamoto defeated Tomoko Dokei 6-4 6-1 in the Haibara 25K round of 16 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 |
|---|---|---|---|---|---|
| 2001-11-19 | Kofu 10K | R32 | clay | Seiko Okamoto | 6-4 7-6(7) |