| Relegation 2021 - Appearances as Referee |  |
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| 12/12/2021 | Gangwon FC | - | Daejeon Hana Citizen | 4:1 | 4 | - | - |
| Relegation 2021 - Appearances as Referee | |
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| 12/12/2021 | Gangwon FC | - | Daejeon Hana Citizen | 4:1 | 4 | - | - |
| Complete name: | Dong-jun Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |