Tetsuya Chaen defeated Yuji Ohno 6-4 6-3 in the Japan Masters 4 round of 32 on hard. The result followed the form book — Tetsuya Chaen came in leading the head-to-head 1–0. Tetsuya Chaen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-17 | Japan 2 Masters 3 | R16 | hard | Tetsuya Chaen | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.