| K League 1 2021 Relegation - Appearances as Referee |  |
 |
 |
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| 03/11/2021 | Gwangju FC | - | FC Seoul | 3:4 | 1 | - | - |
| 04/12/2021 | Gwangju FC | - | Incheon United | 1:1 | 1 | - | - |
| K League 1 2021 Relegation - Appearances as Referee | |
|
|
||||
| 03/11/2021 | Gwangju FC | - | FC Seoul | 3:4 | 1 | - | - |
| 04/12/2021 | Gwangju FC | - | Incheon United | 1:1 | 1 | - | - |
| Complete name: | Byung-jin Park |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |