Ryuso Tsujino defeated Michihisa Onoda 6-3 6-1 in the Japan 2 Masters 4 round of 32 on hard. Ryuso Tsujino extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-18 | Japan F5 | R32 | carpet | Michihisa Onoda | 6-4 6-4 |
| 1998-06-29 | Japan 1 Masters 3 | R32 | hard | Ryuso Tsujino | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.