| K League 1 2021 Relegation - Appearances as Referee |  |
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 |
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| 28/11/2021 | FC Seoul | - | Gangwon FC | 0:0 | 5 | - | - |
| K League 1 2021 Relegation - Appearances as Referee | |
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|
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| 28/11/2021 | FC Seoul | - | Gangwon FC | 0:0 | 5 | - | - |
| Complete name: | Dong-jun Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |