Yasufumi Yamamoto defeated Riki Ishigami 6-1 7-5 in the Japan 2 Masters 3 round of 32 on hard. Yasufumi Yamamoto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-25 | Japan F8 | R32 | hard | Riki Ishigami | 6-3 2-0 |
| 1999-10-18 | Japan F5 | R32 | carpet | Yasufumi Yamamoto | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.