| Friendlies 2023 - Appearances as Assistant | ||||
| 24/03/2023 | South Korea | - | Colombia | 2:2 |
| 28/03/2023 | South Korea | - | Uruguay | 1:2 |
| Friendlies 2023 - Appearances as Assistant | ||||
| 24/03/2023 | South Korea | - | Colombia | 2:2 |
| 28/03/2023 | South Korea | - | Uruguay | 1:2 |
| Complete name: | Yukitaka Kumagai |
| Born: | 26/09/1987 |
| Place of birth: |
Japan |
| Nationality: |
Japan |