Jelena Dokic defeated Tamarine Tanasugarn 6-3 6-1 in the Tokyo quarter-final on hard. The upset overturned the form book — Tamarine Tanasugarn came in leading the head-to-head 1–0, defending last year's quarter-final. Jelena Dokic claimed a first win over Tamarine Tanasugarn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-20 | Beijing | R32 | hard | Tamarine Tanasugarn | 6-3 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (76 vs 147). ATP, WTA & Challenger.