Joji Miyao defeated Yasuo Miyazaki 6-4 3-6 6-3 in the Japan F4 round of 16 on hard. The upset overturned the form book — Yasuo Miyazaki came in leading the head-to-head 1–0. Joji Miyao claimed a first win over Yasuo Miyazaki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-01 | Japan F6 | R32 | hard | Yasuo Miyazaki | 6-3 4-1 |