| 3. Round | 03/03/2023 | Cork City | - | UC Dublin | 4:0 | ||||
| 4. Round | 06/03/2023 | UC Dublin | - | Derry City | 0:4 |  |
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| 5. Round | 10/03/2023 | UC Dublin | - | Drogheda United | 0:1 | ||||
| 6. Round | 17/03/2023 | Bohemian FC | - | UC Dublin | 2:1 | ||||
| 7. Round | 31/03/2023 | St Patrick's Athletic | - | UC Dublin | 3:0 | ||||
| 16. Round | 19/05/2023 | Derry City | - | UC Dublin | 4:1 | ||||
| 17. Round | 26/05/2023 | Drogheda United | - | UC Dublin | 3:1 | ||||
| 18. Round | 02/06/2023 | UC Dublin | - | St Patrick's Athletic | 1:3 | ||||
| 19. Round | 05/06/2023 | Dundalk FC | - | UC Dublin | 4:1 | ||||
| 20. Round | 09/06/2023 | Shamrock Rovers | - | UC Dublin | 4:0 | ||||
| 21. Round | 23/06/2023 | UC Dublin | - | Sligo Rovers | 2:1 | ||||
| 22. Round | 30/06/2023 | St Patrick's Athletic | - | UC Dublin | 7:0 | ||||
| 28. Round | 25/08/2023 | UC Dublin | - | St Patrick's Athletic | 0:1 | |
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| 29. Round | 01/09/2023 | Drogheda United | - | UC Dublin | 3:0 | ||||
| 26. Round | 06/09/2023 | UC Dublin | - | Derry City | 0:5 | |
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| 30. Round | 16/09/2023 | Sligo Rovers | - | UC Dublin | 2:0 | ||||
| 31. Round | 22/09/2023 | UC Dublin | - | Shamrock Rovers | 0:0 | ||||
| 32. Round | 29/09/2023 | Derry City | - | UC Dublin | 6:0 | ||||
| 35. Round | 27/10/2023 | Shelbourne FC | - | UC Dublin | 3:2 |
Ireland