| K League 1 2018 Championship - Appearances as Assistant | ||||
| 04/11/2018 | Suwon Bluewings | - | Pohang Steelers | 1:3 |
| 02/12/2018 | Jeonbuk FC | - | Gyeongnam FC | 1:1 |
| K League 1 2018 Championship - Appearances as Assistant | ||||
| 04/11/2018 | Suwon Bluewings | - | Pohang Steelers | 1:3 |
| 02/12/2018 | Jeonbuk FC | - | Gyeongnam FC | 1:1 |
| Complete name: | Kwang-yeol Yoon |
| Born: | 00/00/1976 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |