Takahiro Terachi defeated Hiroyasu Sato 6-7 6-3 6-0 in the Japan F4 round of 16 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 |
|---|---|---|---|---|---|
| 1998-06-29 | Japan 1 Masters 2 | R16 | hard | Takahiro Terachi | 0-6 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.