| K League 1 2018 - Appearances as Referee |  |
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| 01/03/2018 | Suwon Bluewings | - | Jeonnam Dragons | 1:2 | 1 | - | - |
| 11/03/2018 | FC Seoul | - | Gangwon FC | 1:2 | 3 | - | - |
| 17/03/2018 | Incheon United | - | Daegu FC | 0:0 | 2 | - | - |
| 31/03/2018 | Jeju United | - | Suwon Bluewings | 0:1 | 1 | - | - |
| 15/04/2018 | Pohang Steelers | - | Gyeongnam FC | 2:1 | 2 | - | - |
| 21/04/2018 | Jeonnam Dragons | - | Gangwon FC | 1:4 | 1 | - | 1 |
| 29/04/2018 | Jeonbuk FC | - | Suwon Bluewings | 2:0 | 2 | 1 | 2 |
| 02/05/2018 | Pohang Steelers | - | Incheon United | 0:0 | 1 | - | - |
| 05/05/2018 | Daegu FC | - | Gyeongnam FC | 0:2 | 2 | - | - |
| 12/05/2018 | Gangwon FC | - | FC Seoul | 1:1 | 5 | - | - |
| 20/05/2018 | Pohang Steelers | - | Suwon Bluewings | 1:1 | 3 | - | - |
| 07/07/2018 | Jeonbuk FC | - | Incheon United | 3:3 | 3 | 1 | - |
| 14/07/2018 | Jeonnam Dragons | - | Sangju Sangmu | 2:0 | 1 | - | - |
| 18/07/2018 | Suwon Bluewings | - | Incheon United | 5:2 | 2 | - | - |
| 29/07/2018 | Daegu FC | - | Jeonbuk FC | 1:3 | 5 | - | - |
| 26/09/2018 | FC Seoul | - | Incheon United | 1:1 | 3 | - | - |
| 29/09/2018 | Jeonbuk FC | - | Gangwon FC | 3:2 | 4 | - | - |
| 07/10/2018 | Gyeongnam FC | - | Jeju United | 0:1 | 2 | - | - |
| 20/10/2018 | Suwon Bluewings | - | Pohang Steelers | 2:0 | 1 | - | - |
South Korea