| 4. Ronde | 16.04.2021 | Galway United | - | Treaty United | 1:1 | ||||
| 7. Ronde | 07.05.2021 | UC Dublin | - | Treaty United | 3:2 | ||||
| 12. Ronde | 19.06.2021 | Cobh Ramblers | - | Treaty United | 0:2 | ||||
| 13. Ronde | 25.06.2021 | Treaty United | - | Galway United | 0:1 | ||||
| 14. Ronde | 02.07.2021 | Cork City | - | Treaty United | 2:3 |  |
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| 15. Ronde | 09.07.2021 | Treaty United | - | Shelbourne FC | 1:1 | ||||
| 16. Ronde | 16.07.2021 | Treaty United | - | UC Dublin | 2:1 |  |
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| 17. Ronde | 30.07.2021 | Athlone Town | - | Treaty United | 1:4 | ||||
| 18. Ronde | 06.08.2021 | Treaty United | - | Cabinteely FC | 1:4 | ||||
| 23. Ronde | 24.09.2021 | Treaty United | - | Cork City | 0:0 | ||||
| 25. Ronde | 22.10.2021 | UC Dublin | - | Treaty United | 2:1 | ||||
| 27. Ronde | 29.10.2021 | Cabinteely FC | - | Treaty United | 0:2 |
Ierland