| K League 1 2021 Relegation - Appearances as Referee |  |
 |
 |
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| 03/11/2021 | Pohang Steelers | - | Gangwon FC | 4:0 | 4 | - | - |
| 07/11/2021 | FC Seoul | - | Seongnam FC | 3:0 | 3 | - | - |
| K League 1 2021 Relegation - Appearances as Referee | |
|
|
||||
| 03/11/2021 | Pohang Steelers | - | Gangwon FC | 4:0 | 4 | - | - |
| 07/11/2021 | FC Seoul | - | Seongnam FC | 3:0 | 3 | - | - |
| Complete name: | Yong-jun Shin |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |