| 1. Journée | 28.03.2021 | Bray Wanderers | - | Treaty United | 0:0 |  |
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| 2. Journée | 02.04.2021 | Treaty United | - | Wexford FC | 1:0 | ||||
| 3. Journée | 09.04.2021 | Treaty United | - | Cobh Ramblers | 1:1 | ||||
| 4. Journée | 16.04.2021 | Galway United | - | Treaty United | 1:1 | |
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| 7. Journée | 07.05.2021 | UC Dublin | - | Treaty United | 3:2 | ||||
| 10. Journée | 28.05.2021 | Treaty United | - | Bray Wanderers | 2:0 | ||||
| 11. Journée | 11.06.2021 | Wexford FC | - | Treaty United | 1:2 | ||||
| 12. Journée | 19.06.2021 | Cobh Ramblers | - | Treaty United | 0:2 | ||||
| 13. Journée | 25.06.2021 | Treaty United | - | Galway United | 0:1 | ||||
| 27. Journée | 29.10.2021 | Cabinteely FC | - | Treaty United | 0:2 |
Irlande