| J2 League 2021 - Appearances as Assistant | ||||
| 08/05/2021 | Ehime FC | - | FC Ryūkyū | 1:1 |
| 17/07/2021 | JEF United Chiba | - | Zweigen Kanazawa | 2:1 |
| J2 League 2021 - Appearances as Assistant | ||||
| 08/05/2021 | Ehime FC | - | FC Ryūkyū | 1:1 |
| 17/07/2021 | JEF United Chiba | - | Zweigen Kanazawa | 2:1 |
| Complete name: | Naoya Okawa |
| Born: | 07/08/1979 |
| Place of birth: |
Japan |
| Residence: | Chiba |
| Nationality: |
Japan |