| 24. Round | 28/07/2023 | Wexford FC | - | Treaty United | 1:0 | ||||
| 25. Round | 04/08/2023 | Treaty United | - | Longford Town | 2:3 |  |
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| 26. Round | 07/08/2023 | Galway United | - | Treaty United | 3:0 | ||||
| 27. Round | 11/08/2023 | Finn Harps | - | Treaty United | 0:1 | ||||
| 28. Round | 25/08/2023 | Treaty United | - | Kerry FC | 3:1 | ||||
| 23. Round | 28/08/2023 | Treaty United | - | Waterford FC | 2:2 | ||||
| 29. Round | 01/09/2023 | Cobh Ramblers | - | Treaty United | 1:0 | ||||
| 30. Round | 08/09/2023 | Treaty United | - | Wexford FC | 1:2 | ||||
| 31. Round | 15/09/2023 | Bray Wanderers | - | Treaty United | 2:2 | ||||
| 32. Round | 22/09/2023 | Treaty United | - | Athlone Town | 4:1 |  |
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| 33. Round | 30/09/2023 | Longford Town | - | Treaty United | 2:3 | |
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| 34. Round | 06/10/2023 | Treaty United | - | Finn Harps | 2:0 | ||||
| 35. Round | 14/10/2023 | Treaty United | - | Galway United | 1:4 | ||||
| 36. Round | 20/10/2023 | Waterford FC | - | Treaty United | 2:0 | |
Ireland