Seiko Okamoto defeated Ryoko Fuda 2-6 6-3 6-2 in the Haibara 25K semi-final on carpet. The upset overturned the form book — Ryoko Fuda came in leading the head-to-head 1–0. Seiko Okamoto claimed a first win over Ryoko Fuda in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-03 | Fukuoka 50K | R32 | grass | Ryoko Fuda | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.