| K League 1 2021 - Appearances as Referee |  |
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| 01/03/2021 | Seongnam FC | - | Jeju United | 0:0 | - | - | 1 |
| 10/03/2021 | Daegu FC | - | Gwangju FC | 1:4 | 4 | - | - |
| 17/03/2021 | Pohang Steelers | - | Suwon Bluewings | 0:3 | 3 | - | - |
| 03/04/2021 | Seongnam FC | - | Ulsan Hyundai FC | 0:1 | 3 | - | - |
| 07/04/2021 | Jeju United | - | Gangwon FC | 1:1 | 3 | - | - |
| 18/04/2021 | Suwon Bluewings | - | Ulsan Hyundai FC | 3:0 | 3 | - | - |
| 20/04/2021 | Gangwon FC | - | Gwangju FC | 0:1 | 3 | - | - |
| 01/05/2021 | Suwon Bluewings | - | Pohang Steelers | 1:1 | 4 | - | 1 |
| 08/05/2021 | Jeju United | - | Suwon FC | 1:3 | 4 | - | - |
| 12/05/2021 | Gangwon FC | - | Ulsan Hyundai FC | 2:2 | 4 | - | - |
| 19/05/2021 | Suwon Bluewings | - | Daegu FC | 1:1 | 3 | - | - |
| 21/05/2021 | Suwon FC | - | Incheon United | 2:2 | 2 | 1 | - |
| 25/07/2021 | Ulsan Hyundai FC | - | Suwon FC | 2:5 | 2 | - | - |
| 04/08/2021 | Pohang Steelers | - | Seongnam FC | 1:0 | 3 | - | - |
| 08/08/2021 | FC Seoul | - | Gwangju FC | 1:0 | 1 | - | - |
| 20/08/2021 | Daegu FC | - | Gwangju FC | 1:2 | 2 | - | - |
| 25/09/2021 | Jeonbuk FC | - | Incheon United | 2:0 | 3 | 1 | - |
| 03/10/2021 | Jeju United | - | Seongnam FC | 2:1 | 5 | - | - |
| 24/10/2021 | Daegu FC | - | Suwon Bluewings | 0:2 | 3 | - | - |
South Korea