| K League 1 2012 Relegation - Matches comme assistant | ||||
| 22.09.2012 | Gangwon FC | - | Seongnam Ilhwa Chunma | 0:1 |
| 27.09.2012 | Daejeon Citizen | - | Chunnam Dragons | 1:0 |
| 27.10.2012 | Incheon United | - | Gwangju FC | 3:2 |
| 21.11.2012 | Gwangju FC | - | Incheon United | 1:1 |
| K League 1 2012 Relegation - Matches comme assistant | ||||
| 22.09.2012 | Gangwon FC | - | Seongnam Ilhwa Chunma | 0:1 |
| 27.09.2012 | Daejeon Citizen | - | Chunnam Dragons | 1:0 |
| 27.10.2012 | Incheon United | - | Gwangju FC | 3:2 |
| 21.11.2012 | Gwangju FC | - | Incheon United | 1:1 |
| Nom complet: | Ki-Rog Jeon |
| Né le: | |
| Né à: |
Corée du Sud |
| Nationalité: |
Corée du Sud |