Tomoko Dokei defeated Keiko Taguchi 6-2 6-2 in the Sutama 25K round of 32 on clay. The upset overturned the form book — Keiko Taguchi came in leading the head-to-head 2–0. Tomoko Dokei claimed a first win over Keiko Taguchi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-14 | Yamaguchi 10K | R16 | clay | Keiko Taguchi | 6-4 6-2 |
| 2002-10-28 | Kofu 10K | R32 | clay | Keiko Taguchi | 1-6 6-1 7-5 |