| AFC Champions League Elite 2021 - Appearances as Assistant | ||||
| 24/06/2021 | Kitchee SC | - | Port FC | 2:0 |
| 30/06/2021 | Cerezo Osaka | - | Port FC | 1:1 |
| 06/07/2021 | Port FC | - | Kitchee SC | 1:1 |
| 09/07/2021 | Guangzhou FC | - | Port FC | 1:5 |
| 14/09/2021 | Al Nassr | - | Tractor Sazi | 1:0 |
| AFC Champions League Elite 2021 - Appearances as Assistant | ||||
| 24/06/2021 | Kitchee SC | - | Port FC | 2:0 |
| 30/06/2021 | Cerezo Osaka | - | Port FC | 1:1 |
| 06/07/2021 | Port FC | - | Kitchee SC | 1:1 |
| 09/07/2021 | Guangzhou FC | - | Port FC | 1:5 |
| 14/09/2021 | Al Nassr | - | Tractor Sazi | 1:0 |
| Complete name: | Jae-yeol Yoon |
| Born: | 25/12/1976 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |