Chia Yen Tsai defeated Chih Jung Chen 6-4 6-1 in the Chinese Taipei Masters 4 round of 32 on hard. The upset overturned the form book — Chih Jung Chen came in leading the head-to-head 1–0. Chia Yen Tsai claimed a first win over Chih Jung Chen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-01 | Thailand Masters 3 | R32 | hard | Chih Jung Chen | 6-3 7-5 |