Satoshi Iwabuchi defeated Masashi Tokumaru 6-2 6-2 in the Japan 2 Masters 1 round of 32 on hard. The result followed the form book — Satoshi Iwabuchi came in leading the head-to-head 2–0. Satoshi Iwabuchi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-12 | Japan F3 | R16 | hard | Satoshi Iwabuchi | 6-3 6-3 |
| 1996-11-04 | Japan 2 Masters 2 | R16 | hard | Satoshi Iwabuchi | 7-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.