| K League 1 2020 Relegation - Matches comme arbitre |  |
 |
 |
||||
| 04.10.2020 | Incheon United | - | Suwon Bluewings | 0:1 | 6 | - | - |
| 23.10.2020 | Suwon Bluewings | - | Seongnam FC | 1:2 | 2 | - | - |
| 31.10.2020 | FC Seoul | - | Incheon United | 0:1 | 8 | 1 | 1 |
| K League 1 2020 Relegation - Matches comme arbitre | |
|
|
||||
| 04.10.2020 | Incheon United | - | Suwon Bluewings | 0:1 | 6 | - | - |
| 23.10.2020 | Suwon Bluewings | - | Seongnam FC | 1:2 | 2 | - | - |
| 31.10.2020 | FC Seoul | - | Incheon United | 0:1 | 8 | 1 | 1 |
| Nom complet: | Woo-sung Kim |
| Né le: | 28.05.1987 |
| Né à: |
Corée du Sud |
| Nationalité: |
Corée du Sud |