| K League 1 2012 Championship - Appearances as Referee |  |
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 |
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| 26/09/2012 | Ulsan Hyundai FC | - | FC Seoul | 1:2 | 3 | - | - |
| 11/11/2012 | Busan IPark | - | Gyeongnam FC | 0:0 | 2 | - | - |
| K League 1 2012 Championship - Appearances as Referee | |
|
|
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| 26/09/2012 | Ulsan Hyundai FC | - | FC Seoul | 1:2 | 3 | - | - |
| 11/11/2012 | Busan IPark | - | Gyeongnam FC | 0:0 | 2 | - | - |
| Complete name: | Hyung-jin Ko |
| Born: | 20/06/1982 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |