| J2 League 2023 - Appearances as Assistant | ||||
| 25/02/2023 | Ventforet Kofu | - | Tokushima Vortis | 1:1 |
| 13/05/2023 | Fagiano Okayama | - | RB Omiya Ardija | 1:1 |
| 11/06/2023 | Mito HollyHock | - | JEF United Chiba | 4:1 |
| J2 League 2023 - Appearances as Assistant | ||||
| 25/02/2023 | Ventforet Kofu | - | Tokushima Vortis | 1:1 |
| 13/05/2023 | Fagiano Okayama | - | RB Omiya Ardija | 1:1 |
| 11/06/2023 | Mito HollyHock | - | JEF United Chiba | 4:1 |
| Complete name: | Hideaki Nishio |
| Born: | 04/01/1975 |
| Place of birth: |
Japan |
| Residence: | Osaka |
| Nationality: |
Japan |