Mayumi Yamamoto defeated Shizu Katsumi 6-3 6-2 in the Sutama 10K final on clay. The result followed the form book — Mayumi Yamamoto came in leading the head-to-head 1–0. Mayumi Yamamoto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-20 | Tokyo 10K | QF | hard | Mayumi Yamamoto | 6-0 6-4 |