| 3. Round | 26/08/2017 | Newtown AFC | - | Carmarthen Town | 4:1 | ||||
| 7. Round | 30/09/2017 | Carmarthen Town | - | The New Saints | 0:5 | ||||
| 13. Round | 11/11/2017 | Carmarthen Town | - | Newtown AFC | 0:2 | ||||
| 14. Round | 18/11/2017 | Carmarthen Town | - | Prestatyn Town | 0:3 | ||||
| 15. Round | 25/11/2017 | The New Saints | - | Carmarthen Town | 5:2 |  |
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| 16. Round | 09/12/2017 | Carmarthen Town | - | Llandudno FC | 0:0 | ||||
| 17. Round | 15/12/2017 | Carmarthen Town | - | Barry Town United | 1:2 | ||||
| 18. Round | 23/12/2017 | Carmarthen Town | - | Bangor City | 0:0 | ||||
| 19. Round | 26/12/2017 | Carmarthen Town | - | Aberystwyth Town | 1:0 | ||||
| 20. Round | 01/01/2018 | Aberystwyth Town | - | Carmarthen Town | 1:2 | ||||
| 21. Round | 06/01/2018 | Carmarthen Town | - | Cefn Druids | 0:1 |
Wales