Saori Obata defeated Shiho Hisamatsu 6-2 6-2 in the Tokyo qualifying round on hard. The result followed the form book — Saori Obata came in leading the head-to-head 2–0, defending last year's round of 16. Saori Obata extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-02 | Gifu 50K | F | carpet | Saori Obata | 6-1 2-6 6-4 |
| 2001-09-17 | Tokyo | R32 | hard | Saori Obata | 6-1 6-4 |
Averages over each player's completed matches in the selected window (4 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About