| K League 1 2013 Relegation - Appearances as Assistant | ||||
| 28/09/2013 | Gyeongnam FC | - | Seongnam Ilhwa Chunma | 1:2 |
| 05/10/2013 | Daegu FC | - | Daejeon Citizen | 1:1 |
| 26/10/2013 | Gyeongnam FC | - | Jeju United | 1:2 |
| 17/11/2013 | Jeju United | - | Daegu FC | 1:2 |
| K League 1 2013 Relegation - Appearances as Assistant | ||||
| 28/09/2013 | Gyeongnam FC | - | Seongnam Ilhwa Chunma | 1:2 |
| 05/10/2013 | Daegu FC | - | Daejeon Citizen | 1:1 |
| 26/10/2013 | Gyeongnam FC | - | Jeju United | 1:2 |
| 17/11/2013 | Jeju United | - | Daegu FC | 1:2 |
| Complete name: | Jae-Seon Son |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |