| K League 1 2019 Relegation - Appearances as Assistant | ||||
| 27/10/2019 | Gyeongnam FC | - | Jeju United | 2:2 |
| 02/11/2019 | Suwon Bluewings | - | Seongnam FC | 0:0 |
| 24/11/2019 | Incheon United | - | Sangju Sangmu | 2:0 |
| K League 1 2019 Relegation - Appearances as Assistant | ||||
| 27/10/2019 | Gyeongnam FC | - | Jeju United | 2:2 |
| 02/11/2019 | Suwon Bluewings | - | Seongnam FC | 0:0 |
| 24/11/2019 | Incheon United | - | Sangju Sangmu | 2:0 |
| Complete name: | Sang-jun Park |
| Born: | 17/07/1979 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |