| League Cup 2023 - Appearances as Assistant | ||||
| 08/03/2023 | Yokohama F. Marinos | - | Júbilo Iwata | 1:0 |
| 05/04/2023 | Yokohama F. Marinos | - | Hokkaido Consadole Sapporo | 2:1 |
| League Cup 2023 - Appearances as Assistant | ||||
| 08/03/2023 | Yokohama F. Marinos | - | Júbilo Iwata | 1:0 |
| 05/04/2023 | Yokohama F. Marinos | - | Hokkaido Consadole Sapporo | 2:1 |
| Complete name: | Kogo Kumagai |
| Born: | |
| Place of birth: |
Japan |
| Nationality: |
Japan |