Marissa Niroj defeated Yoriko Yamagishi 6-2 2-6 6-3 in the Samutpakarn 10K semi-final on hard. The upset overturned the form book — Yoriko Yamagishi came in leading the head-to-head 1–0. Marissa Niroj claimed a first win over Yoriko Yamagishi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-11-04 | Manila 10K | R16 | hard | Yoriko Yamagishi | 6-3 7-5 |