1. Round | 04/08/2018 | St. Mirren FC | - | Dundee FC | 2:1 | ||||
2. Round | 12/08/2018 | Rangers FC | - | St. Mirren FC | 2:0 | ||||
3. Round | 25/08/2018 | St. Mirren FC | - | Livingston FC | 0:2 | ||||
4. Round | 01/09/2018 | Heart of Midlothian | - | St. Mirren FC | 4:1 | ||||
5. Round | 14/09/2018 | St. Mirren FC | - | Celtic FC | 0:0 | ||||
6. Round | 22/09/2018 | Hamilton Academical | - | St. Mirren FC | 3:0 |