| K League 1 2013 Relegation - Appearances as Referee |  |
 |
 |
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| 11/09/2013 | Daejeon Citizen | - | Jeju United | 1:2 | 4 | - | - |
| 09/10/2013 | Daejeon Citizen | - | Gyeongnam FC | 0:1 | 6 | - | - |
| 10/11/2013 | Jeju United | - | Seongnam Ilhwa Chunma | 1:0 | 4 | - | - |
| K League 1 2013 Relegation - Appearances as Referee | |
|
|
||||
| 11/09/2013 | Daejeon Citizen | - | Jeju United | 1:2 | 4 | - | - |
| 09/10/2013 | Daejeon Citizen | - | Gyeongnam FC | 0:1 | 6 | - | - |
| 10/11/2013 | Jeju United | - | Seongnam Ilhwa Chunma | 1:0 | 4 | - | - |
| Complete name: | Dong-jun Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |