All countries
| 8. Round | Uthai Thani | Chiangrai Utd | details | 07.11.2026 12:30 | |||
| 6. Round | Pathum United | Chiangrai Utd | 2:0 (1:0, 1:0) | details | 24.10.2026 | |||
| 1/32-finals | Burapha United | Chiangrai Utd | 1:2 AfP (1:0, 0:1, 0:0, 4:5) | details | 21.10.2026 | |||
| 5. Round | Chiangrai Utd | Ratchaburi | 1:2 (0:1, 1:1) | details | 18.10.2026 | |||
| 4. Round | Prachuap | Chiangrai Utd | 2:1 (0:0, 2:1) | details | 11.10.2026 | |||
| 3. Round | Chiangrai Utd | Sisaket United | 0:1 (0:0, 0:1) | details | 19.09.2026 | |||
| 8. Round | Uthai Thani | Chiangrai Utd | details | 07.11.2026 12:30 | |||
| 9. Round | Chiangrai Utd | Lamphun Warrior | details | 22.11.2026 12:30 | |||
| 10. Round | Pattani | Chiangrai Utd | details | 28.11.2026 12:00 | |||