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