| 23. Round | 10/04/2021 | Flint Town United | - | Cardiff Metropolitan | 2:0 |  |
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| 24. Round | 13/04/2021 | Flint Town United | - | Cefn Druids | 5:0 |  |
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| 25. Round | 16/04/2021 | Aberystwyth Town | - | Flint Town United | 0:1 | ||||
| 26. Round | 20/04/2021 | Flint Town United | - | Newtown AFC | 0:2 | ||||
| 27. Round | 24/04/2021 | Haverfordwest County | - | Flint Town United | 0:0 | |
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| 29. Round | 01/05/2021 | Flint Town United | - | Haverfordwest County | 2:0 |
Ireland