| J2 League 2022 - Appearances as Assistant | ||||
| 26/03/2022 | RB Omiya Ardija | - | Fagiano Okayama | 1:1 |
| 27/04/2022 | JEF United Chiba | - | Renofa Yamaguchi | 2:0 |
| 06/07/2022 | Renofa Yamaguchi | - | Oita Trinita | 0:0 |
| 14/09/2022 | Renofa Yamaguchi | - | Zweigen Kanazawa | 1:1 |
| J2 League 2022 - Appearances as Assistant | ||||
| 26/03/2022 | RB Omiya Ardija | - | Fagiano Okayama | 1:1 |
| 27/04/2022 | JEF United Chiba | - | Renofa Yamaguchi | 2:0 |
| 06/07/2022 | Renofa Yamaguchi | - | Oita Trinita | 0:0 |
| 14/09/2022 | Renofa Yamaguchi | - | Zweigen Kanazawa | 1:1 |
| Complete name: | Haruhiro Otsuka |
| Born: | 11/04/1975 |
| Place of birth: |
Japan |
| Nationality: |
Japan |