Takahiro Terachi defeated Chih Jung Chen 4-6 7-6 6-3 in the Japan F4 round of 32 on carpet. The result followed the form book — Takahiro Terachi came in leading the head-to-head 1–0. Takahiro Terachi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-04 | China F1 | R16 | hard | Takahiro Terachi | 6-1 0-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.