| 1. Round | 15/09/2012 | Chunnam Dragons | - | Gwangju FC | 1:1 | ||||
| 2. Round | 23/09/2012 | Gwangju FC | - | Daegu FC | 1:1 | ||||
| 3. Round | 27/09/2012 | Gangwon FC | - | Gwangju FC | 1:0 | ||||
| 4. Round | 03/10/2012 | Gwangju FC | - | Daejeon Citizen | 1:1 | ||||
| 6. Round | 21/10/2012 | Gwangju FC | - | Seongnam Ilhwa Chunma | 2:3 | ||||
| 7. Round | 27/10/2012 | Incheon United | - | Gwangju FC | 3:2 | ||||
| 9. Round | 11/11/2012 | Gwangju FC | - | Gangwon FC | 1:1 | ||||
| 13. Round | 28/11/2012 | Daegu FC | - | Gwangju FC | 2:0 | ||||
| 14. Round | 01/12/2012 | Gwangju FC | - | Chunnam Dragons | 1:0 |
South Korea