| K League 1 2020 Relegation - Matches comme arbitre |  |
 |
 |
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| 27.09.2020 | Seongnam FC | - | Incheon United | 0:6 | 1 | - | 1 |
| 24.10.2020 | Incheon United | - | Busan IPark | 2:1 | 3 | - | - |
| 31.10.2020 | Gangwon FC | - | Suwon Bluewings | 1:2 | 5 | - | - |
| K League 1 2020 Relegation - Matches comme arbitre | |
|
|
||||
| 27.09.2020 | Seongnam FC | - | Incheon United | 0:6 | 1 | - | 1 |
| 24.10.2020 | Incheon United | - | Busan IPark | 2:1 | 3 | - | - |
| 31.10.2020 | Gangwon FC | - | Suwon Bluewings | 1:2 | 5 | - | - |
| Nom complet: | Ji-um Cho |
| Né le: | |
| Né à: |
Corée du Sud |
| Nationalité: |
Corée du Sud |