Yasufumi Yamamoto defeated Masashi Tokumaru 6-3 6-2 in the Japan F1 round of 16 on clay. The upset overturned the form book — Masashi Tokumaru came in leading the head-to-head 1–0. Yasufumi Yamamoto claimed a first win over Masashi Tokumaru in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-11-04 | Japan 2 Masters 4 | R32 | hard | Masashi Tokumaru | 6-1 3-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.