| K League 1 2021 - Appearances as Referee |  |
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 |
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| 29/09/2021 | Gangwon FC | - | Pohang Steelers | 1:0 | 2 | 1 | - |
| 24/10/2021 | Pohang Steelers | - | Incheon United | 0:1 | 2 | - | - |
| K League 1 2021 - Appearances as Referee | |
|
|
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| 29/09/2021 | Gangwon FC | - | Pohang Steelers | 1:0 | 2 | 1 | - |
| 24/10/2021 | Pohang Steelers | - | Incheon United | 0:1 | 2 | - | - |
| Complete name: | Hyun-jae Choi |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |