| 14. Journée | 13.05.2023 | Longford Town | - | Treaty United | 0:3 |  |
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| 15. Journée | 19.05.2023 | Wexford FC | - | Longford Town | 0:3 |  |
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| 16. Journée | 27.05.2023 | Longford Town | - | Waterford FC | 0:0 | |
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| 19. Journée | 09.06.2023 | Longford Town | - | Finn Harps | 2:3 | |
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| 21. Journée | 01.07.2023 | Longford Town | - | Wexford FC | 2:1 | |
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| 22. Journée | 07.07.2023 | Waterford FC | - | Longford Town | 2:2 | |
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| 23. Journée | 15.07.2023 | Longford Town | - | Kerry FC | 2:1 | |
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| 24. Journée | 29.07.2023 | Longford Town | - | Cobh Ramblers | 0:1 | ||||
| 25. Journée | 04.08.2023 | Treaty United | - | Longford Town | 2:3 | ||||
| 26. Journée | 07.08.2023 | Bray Wanderers | - | Longford Town | 2:4 | |
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| 27. Journée | 12.08.2023 | Longford Town | - | Athlone Town | 2:3 | ||||
| 28. Journée | 25.08.2023 | Finn Harps | - | Longford Town | 0:1 | ||||
| 30. Journée | 08.09.2023 | Kerry FC | - | Longford Town | 0:0 | ||||
| 32. Journée | 22.09.2023 | Longford Town | - | Waterford FC | 0:3 | ||||
| 31. Journée | 25.09.2023 | Wexford FC | - | Longford Town | 2:0 | ||||
| 33. Journée | 30.09.2023 | Longford Town | - | Treaty United | 2:3 | ||||
| 34. Journée | 06.10.2023 | Cobh Ramblers | - | Longford Town | 2:0 | ||||
| 35. Journée | 14.10.2023 | Longford Town | - | Bray Wanderers | 2:2 |
Irlande