Plan de juego
| Fecha | Ronda | Partido | Partido | Res. | Espectadores | |
|---|---|---|---|---|---|---|
| 10.01.2026 |  | 22. Jornada | St. Mirren - Falkirk | STM - Fal | 0:2 | 7.062 |
| 31.01.2026 | | 24. Jornada | St. Mirren - Dundee FC | STM - Dun | 0:0 | 6.461 |
| 03.02.2026 | | 25. Jornada | St. Mirren - Hearts FC | STM - HEA | 1:0 | 7.151 |
| 21.02.2026 | | 28. Jornada | St. Mirren - Motherwell | STM - MOT | 0:5 | 6.758 |
| 08.03.2026 |  | Cuartos de final | St. Mirren - Partick Thistle | STM - PT | 2:1 | 5.548 |
| 15.03.2026 | | 30. Jornada | St. Mirren - Rangers FC | STM - RAN | 0:1 | 6.898 |
| 04.04.2026 | | 32. Jornada | St. Mirren - Aberdeen | STM - ABE | 2:0 | 7.653 |
| 25.04.2026 | | 34. Jornada | St. Mirren - Livingston | STM - Liv | 0:2 | 5.884 |
| 09.05.2026 | | 36. Jornada | St. Mirren - Kilmarnock | STM - KIL | 0:3 | 7.619 |
| 17.05.2026 | | 38. Jornada | St. Mirren - Dundee Utd | STM - DUN | 1:1 | 6.177 |
| 25.05.2026 |  | Final | St. Mirren - Partick Thistle | STM - PT | 1:0 | 7.472 |