| K League 1 2012 - Appearances as Referee |  |
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| 04/03/2012 | Gyeongnam FC | - | Daejeon Citizen | 3:0 | 3 | - | - |
| 17/03/2012 | Pohang Steelers | - | Busan IPark | 2:2 | 7 | - | - |
| 25/03/2012 | FC Seoul | - | Jeonbuk FC | 2:1 | - | - | - |
| 31/03/2012 | Ulsan Hyundai FC | - | Sangju Sangmu | 2:2 | 3 | - | - |
| 07/04/2012 | Chunnam Dragons | - | Suwon Bluewings | 1:1 | 3 | - | - |
| 14/04/2012 | Pohang Steelers | - | Jeju United | 2:3 | 4 | - | - |
| 28/04/2012 | Suwon Bluewings | - | Seongnam Ilhwa Chunma | 2:1 | 6 | - | - |
| 19/05/2012 | Gwangju FC | - | FC Seoul | 1:2 | 2 | - | - |
| 27/05/2012 | Jeju United | - | Sangju Sangmu | 2:1 | 4 | - | - |
| 14/06/2012 | Gangwon FC | - | Daejeon Citizen | 0:2 | 6 | - | - |
| 24/06/2012 | Daegu FC | - | Busan IPark | 2:1 | 7 | - | - |
| 27/06/2012 | Ulsan Hyundai FC | - | Pohang Steelers | 3:1 | 2 | - | 1 |
| 30/06/2012 | Gyeongnam FC | - | Incheon United | 0:0 | 3 | - | - |
| 15/07/2012 | Jeju United | - | Daejeon Citizen | 4:1 | 2 | - | - |
| 26/07/2012 | Incheon United | - | Daegu FC | 1:0 | 7 | - | - |
| 05/08/2012 | Ulsan Hyundai FC | - | Suwon Bluewings | 3:2 | 6 | - | - |
| 12/08/2012 | Daejeon Citizen | - | Gyeongnam FC | 1:1 | 3 | - | - |
| 22/08/2012 | Pohang Steelers | - | Gwangju FC | 1:0 | 6 | 1 | - |
South Korea