Takahiro Terachi defeated Toshiharu Kato 5-7 6-3 6-3 in the Japan 1 Masters 4 qualifying round on hard. The result followed the form book — Takahiro Terachi came in leading the head-to-head 2–0. Takahiro Terachi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-16 | Japan F5 | R32 | carpet | Takahiro Terachi | 6-2 6-2 |
| 1999-06-07 | Japan 1 Masters 3 | R32 | hard | Takahiro Terachi | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.