| K League 1 2011 - Appearances as Referee |  |
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| 06/03/2011 | Ulsan Hyundai FC | - | Daejeon Citizen | 1:2 | 2 | - | - |
| 12/03/2011 | Suwon Bluewings | - | Gwangju FC | 2:1 | 4 | - | - |
| 20/03/2011 | Chunnam Dragons | - | FC Seoul | 3:0 | 7 | - | - |
| 03/04/2011 | Seongnam Ilhwa Chunma | - | Busan IPark | 2:0 | 5 | - | - |
| 09/04/2011 | Pohang Steelers | - | Incheon United | 2:2 | 7 | - | - |
| 08/05/2011 | Sangju Sangmu | - | FC Seoul | 3:4 | 7 | 1 | - |
| 22/05/2011 | Ulsan Hyundai FC | - | Seongnam Ilhwa Chunma | 3:2 | 4 | - | - |
| 18/06/2011 | Seongnam Ilhwa Chunma | - | Daejeon Citizen | 2:1 | 5 | - | - |
| 17/07/2011 | Chunnam Dragons | - | Daegu FC | 3:1 | 3 | - | 2 |
| 06/08/2011 | Gwangju FC | - | Gyeongnam FC | 0:2 | 6 | - | - |
| 13/08/2011 | Gangwon FC | - | Pohang Steelers | 0:2 | 2 | - | - |
| 20/08/2011 | Jeju United | - | FC Seoul | 0:3 | 2 | - | - |
| 10/09/2011 | Gangwon FC | - | Sangju Sangmu | 2:0 | 1 | - | - |
| 18/09/2011 | FC Seoul | - | Busan IPark | 2:1 | 4 | - | - |
| 08/10/2011 | Seongnam Ilhwa Chunma | - | Gangwon FC | 3:1 | 3 | - | - |
| 16/10/2011 | Daejeon Citizen | - | Sangju Sangmu | 1:3 | - | - | - |
| 22/10/2011 | Ulsan Hyundai FC | - | Busan IPark | 1:0 | 6 | - | - |
| 30/10/2011 | Gyeongnam FC | - | FC Seoul | 0:3 | 3 | 1 | - |
South Korea