Naratorn Srichaphan defeated Gap Taik Ro 3-6 7-5 6-4 in the Philippines Thailand Masters 1 round of 32 on hard. The result followed the form book — Naratorn Srichaphan came in leading the head-to-head 1–0. Naratorn Srichaphan extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-09 | Philippines Thailand Masters 4 | R16 | hard | Naratorn Srichaphan | 6-1 |