Chih Jung Chen defeated Chia Yen Tsai 6-3 7-5 in the Thailand Masters 3 round of 32 on hard. The upset overturned the form book — Chia Yen Tsai came in leading the head-to-head 1–0, but Chih Jung Chen had been the form player, winning 3 of their last 6 on hard. Chih Jung Chen claimed a first win over Chia Yen Tsai in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-08-09 | Chinese Taipei Masters 4 | R32 | hard | Chia Yen Tsai | 6-4 6-1 |