| AFC Champions League 2019 - Appearances as Referee |  |
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| 04/03/2019 | Lokomotiv Tashkent | - | Al Wahda | 2:0 | 2 | - | - |
| 23/04/2019 | FC Zob Ahan | - | Al Wasl | 2:0 | 3 | - | - |
| 06/05/2019 | Al Sadd | - | Al Ahli SFC | 2:1 | 3 | - | - |
| 20/05/2019 | Al Ain FC | - | Esteghlal | 1:2 | 5 | - | - |
| AFC Champions League 2019 - Appearances as Referee | |
|
|
||||
| 04/03/2019 | Lokomotiv Tashkent | - | Al Wahda | 2:0 | 2 | - | - |
| 23/04/2019 | FC Zob Ahan | - | Al Wasl | 2:0 | 3 | - | - |
| 06/05/2019 | Al Sadd | - | Al Ahli SFC | 2:1 | 3 | - | - |
| 20/05/2019 | Al Ain FC | - | Esteghlal | 1:2 | 5 | - | - |
| Complete name: | Hyung-jin Ko |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |