Saori Obata defeated Yoriko Yamagishi 6-2 6-1 in the Jakarta 10K round of 16 on hard. The result followed the form book — Saori Obata came in leading the head-to-head 1–0. Saori Obata extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-12 | Seoul II 25K | R32 | hard | Saori Obata | 6-1 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.