Keiko Taguchi defeated Akiko Yonemura 7-6 7-5 in the Saitama 10K round of 16 on hard. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 1–0. Keiko Taguchi claimed a first win over Akiko Yonemura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Kyoto 10K | R32 | carpet | Akiko Yonemura | 0-6 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.