| J1 League Relegation Playoffs 2019 - Appearances as Assistant | ||||
| 01/12/2019 | Omiya Ardija | - | Montedio Yamagata | 0:2 |
| J1 League Relegation Playoffs 2019 - Appearances as Assistant | ||||
| 01/12/2019 | Omiya Ardija | - | Montedio Yamagata | 0:2 |
| Complete name: | Naoya Okawa |
| Born: | 07/08/1979 |
| Place of birth: |
Japan |
| Residence: | Chiba |
| Nationality: |
Japan |