| K League 1 2020 Championship - Appearances as Assistant | ||||
| 27/09/2020 | Daegu FC | - | Ulsan Hyundai FC | 2:2 |
| 18/10/2020 | Pohang Steelers | - | Ulsan Hyundai FC | 4:0 |
| 25/10/2020 | Gwangju FC | - | Sangju Sangmu | 0:1 |
| K League 1 2020 Championship - Appearances as Assistant | ||||
| 27/09/2020 | Daegu FC | - | Ulsan Hyundai FC | 2:2 |
| 18/10/2020 | Pohang Steelers | - | Ulsan Hyundai FC | 4:0 |
| 25/10/2020 | Gwangju FC | - | Sangju Sangmu | 0:1 |
| Complete name: | Seung-soon Kwak |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |