| U21 Friendlies 2018 - Appearances as Referee |  |
 |
 |
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| 29/05/2018 | China | - | Qatar | 1:1 | 9 | - | - |
| 03/06/2018 | Portugal | - | Turkey | 1:2 | 3 | - | - |
| 07/06/2018 | France | - | Canada | 2:1 | 5 | - | - |
| U21 Friendlies 2018 - Appearances as Referee | |
|
|
||||
| 29/05/2018 | China | - | Qatar | 1:1 | 9 | - | - |
| 03/06/2018 | Portugal | - | Turkey | 1:2 | 3 | - | - |
| 07/06/2018 | France | - | Canada | 2:1 | 5 | - | - |
| Complete name: | Hyun-jae Choi |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |