| K League 1 2021 - Appearances as Referee |  |
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 |
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| 24/08/2021 | Gwangju FC | - | Seongnam FC | 2:0 | 4 | 1 | - |
| 11/09/2021 | Incheon United | - | Jeju United | 1:2 | 3 | - | - |
| 25/09/2021 | Ulsan Hyundai FC | - | Gwangju FC | 1:0 | 4 | - | - |
| K League 1 2021 - Appearances as Referee | |
|
|
||||
| 24/08/2021 | Gwangju FC | - | Seongnam FC | 2:0 | 4 | 1 | - |
| 11/09/2021 | Incheon United | - | Jeju United | 1:2 | 3 | - | - |
| 25/09/2021 | Ulsan Hyundai FC | - | Gwangju FC | 1:0 | 4 | - | - |
| Complete name: | Yong-woo Kim |
| Born: | 03/04/1983 |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |