Michihisa Onoda defeated Atsuo Ogawa 6-3 6-4 in the Japan F6 round of 32 on hard. The result followed the form book — Michihisa Onoda came in leading the head-to-head 3–0. Michihisa Onoda extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-06 | Japan F7 | R16 | hard | Michihisa Onoda | 6-7(1) 6-2 6-0 |
| 2004-08-30 | Japan F6 | R32 | hard | Michihisa Onoda | 6-4 6-0 |
| 2004-05-24 | Japan F4 | R16 | hard | Michihisa Onoda | 6-3 6-1 |