Takahiro Terachi defeated Ryuso Tsujino 7-5 0-6 7-6 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 3–0. Takahiro Terachi extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-05-21 | Japan F5 | R16 | hard | Takahiro Terachi | 6-4 6-2 |
| 1999-06-07 | Japan 1 Masters 3 | QF | hard | Takahiro Terachi | 6-1 7-5 |
| 1999-06-07 | Japan 1 Masters 4 | R32 | hard | Takahiro Terachi | 6-1 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.