Kentaro Masuda defeated Mirko Pehar 6-4 6-4 in the Japan F3 round of 32 on hard. The result followed the form book — Kentaro Masuda came in leading the head-to-head 1–0. Kentaro Masuda extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-01 | Italy 3 Masters 4 | R32 | clay | Kentaro Masuda | 6-2 5-7 7-6 |