| AFC Champions League Elite 2021 - Appearances as Referee |  |
 |
 |
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| 30/06/2021 | Cerezo Osaka | - | Port FC | 1:1 | 3 | - | - |
| 06/07/2021 | Port FC | - | Kitchee SC | 1:1 | 4 | - | - |
| AFC Champions League Elite 2021 - Appearances as Referee | |
|
|
||||
| 30/06/2021 | Cerezo Osaka | - | Port FC | 1:1 | 3 | - | - |
| 06/07/2021 | Port FC | - | Kitchee SC | 1:1 | 4 | - | - |
| Complete name: | Hyung-jin Ko |
| Born: | 20/06/1982 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |