Buriram took the three points at Suphanburi with a stoppage-time Diogo penalty to leave them needing just a single point from their final three games to be crowned champions.
Fierce rivals Muang Thong could only manage a 1-1 draw at Thai Port which leaves them a further two points adrift.
Nakhon Ratchasima beat Ubon 2-1 at home and Super Power’s improved form continued with a 2-2 draw at Thai Honda.
Bangkok United’s goal-machine Boskovic scored in either half to see off Ratchaburi 2-1 at home whilst a late goal gave Sukothai a 1-1 draw at BEC Tero.
Bangkok Glass claimed a late equalizer in a 1-1 draw at Chonburi and late goals for both sides saw Chiang Rai draw 2-2 at Pattaya.
Sisaket’s woes continued with a 1-0 defeat at Navy.
Table:-
| 1. | Buriram | 31 | 24 | 5 | 2 | 76:20 | 77 | |
| 2. | Muang Thong Utd | 30 | 20 | 6 | 4 | 75:26 | 66 | |
| 3. | Bangkok Utd | 31 | 21 | 2 | 8 | 94:51 | 65 | |
| 4. | Chiangrai Utd | 30 | 17 | 5 | 8 | 63:36 | 56 | |
| 5. | Bangkok Glass | 31 | 16 | 8 | 7 | 60:35 | 56 | |
| 6. | Chonburi | 31 | 14 | 8 | 9 | 52:53 | 50 | |
| 7. | Ratchaburi | 31 | 14 | 7 | 10 | 57:44 | 49 | |
| 8. | Pattaya Utd | 31 | 13 | 5 | 13 | 51:50 | 44 | |
| 9. | Port MTI FC | 31 | 11 | 8 | 12 | 49:57 | 41 | |
| 10. | Ubon | 31 | 9 | 11 | 11 | 49:51 | 38 | |
| 11. | Suphanburi | 31 | 10 | 8 | 13 | 48:55 | 38 | |
| 12. | Nakhon Ratchasima | 31 | 9 | 10 | 12 | 39:45 | 37 | |
| 13. | Thai Navy | 31 | 9 | 10 | 12 | 39:46 | 37 | |
| 14. | BEC Tero Sasana | 30 | 9 | 9 | 12 | 38:44 | 36 | |
| 15. | Sukhothai | 31 | 7 | 10 | 14 | 49:63 | 31 | |
| 16. | Sisaket | 31 | 6 | 5 | 20 | 37:78 | 23 | |
| 17. | Thai Honda FC | 30 | 6 | 3 | 21 | 34:62 | 21 | |
| 18. | Super Power FC | 31 | 1 | 2 | 28 | 27:121 | 5 |