| K League 1 2021 - Appearances as Assistant | ||||
| 11/09/2021 | Suwon Bluewings | - | Gwangju FC | 2:2 |
| 22/09/2021 | FC Seoul | - | Incheon United | 0:0 |
| 26/09/2021 | Seongnam FC | - | Gangwon FC | 2:0 |
| K League 1 2021 - Appearances as Assistant | ||||
| 11/09/2021 | Suwon Bluewings | - | Gwangju FC | 2:2 |
| 22/09/2021 | FC Seoul | - | Incheon United | 0:0 |
| 26/09/2021 | Seongnam FC | - | Gangwon FC | 2:0 |
| Complete name: | Yang-woo Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |