| K League 1 2021 Championship - Appearances as Referee |  |
 |
 |
||||
| 06/11/2021 | Jeonbuk FC | - | Ulsan Hyundai FC | 3:2 | 2 | - | - |
| 21/11/2021 | Daegu FC | - | Suwon Bluewings | 2:1 | 3 | - | - |
| 05/12/2021 | Jeonbuk FC | - | Jeju United | 2:0 | 7 | - | - |
| K League 1 2021 Championship - Appearances as Referee | |
|
|
||||
| 06/11/2021 | Jeonbuk FC | - | Ulsan Hyundai FC | 3:2 | 2 | - | - |
| 21/11/2021 | Daegu FC | - | Suwon Bluewings | 2:1 | 3 | - | - |
| 05/12/2021 | Jeonbuk FC | - | Jeju United | 2:0 | 7 | - | - |
| Complete name: | Dong-jun Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |