*Bangkok Glass 2-1 Chonburi FC
| 11.09.2012 | Chonburi FC | 1-1 | Bangkok Glass | |
| 05.09.2012 | Bangkok Glass | 1-0 | Chonburi FC | |
*Buriram United 3-3 BEC Tero Sasana
| 19.09.2012 | BEC Tero Sasana | 2-2 | Buriram United | |
| 05.09.2012 | Buriram United | 1-1 | BEC Tero Sasana | |
Muang Thong United 3-4 TOT SC *
| 19.09.2012 | TOT SC | 2-2 | Muang Thong United | |
| 05.09.2012 | Muang Thong United | 1-2 | TOT SC | |
*Ratchaburi FC 2-1 Wuachon United
| 19.09.2012 | Wuachon United | 1-0 | Ratchaburi FC | |
| 05.09.2012 | Ratchaburi FC | 2-0 | Wuachon United | |