| 1. Round | 10/04/2021 | Motherwell FC | - | St. Mirren FC | 1:0 | ||||
| 3. Round | 01/05/2021 | St. Mirren FC | - | Hamilton Academical | 1:2 |  |
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| 4. Round | 12/05/2021 | Kilmarnock FC | - | St. Mirren FC | 3:3 |
| 1. Round | 10/04/2021 | Motherwell FC | - | St. Mirren FC | 1:0 | ||||
| 3. Round | 01/05/2021 | St. Mirren FC | - | Hamilton Academical | 1:2 | |
|||
| 4. Round | 12/05/2021 | Kilmarnock FC | - | St. Mirren FC | 3:3 |
| Jake Billy Doyle-Hayes | |
| Born: | 30.12.1998 |
| Place of birth: |
Ballyjamesduff, 
Ireland |
| Nationality: |
Ireland
|
| Height: | 175 cm |
| Weight: | 68 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | right |