| K League 1 2018 Championship - Appearances as Referee |  |
 |
 |
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| 04/11/2018 | Suwon Bluewings | - | Pohang Steelers | 1:3 | 5 | - | - |
| 02/12/2018 | Suwon Bluewings | - | Jeju United | 0:2 | 3 | - | - |
| K League 1 2018 Championship - Appearances as Referee | |
|
|
||||
| 04/11/2018 | Suwon Bluewings | - | Pohang Steelers | 1:3 | 5 | - | - |
| 02/12/2018 | Suwon Bluewings | - | Jeju United | 0:2 | 3 | - | - |
| Complete name: | Hyung-jin Ko |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |