| K League 1 2019 Relegation - Matches comme assistant | ||||
| 27.10.2019 | Incheon United | - | Suwon Bluewings | 1:1 |
| 30.11.2019 | Sangju Sangmu | - | Suwon Bluewings | 4:1 |
| K League 1 2019 Relegation - Matches comme assistant | ||||
| 27.10.2019 | Incheon United | - | Suwon Bluewings | 1:1 |
| 30.11.2019 | Sangju Sangmu | - | Suwon Bluewings | 4:1 |
| Nom complet: | Jae-yong Yang |
| Né le: | |
| Né à: |
Corée du Sud |
| Nationalité: |
Corée du Sud |