| 1. Round | 27/08/2017 | Spvg Wesseling-Urfeld | - | VfL Alfter | 0:3 | ||||
| 5. Round | 24/09/2017 | Hilal Maroc Bergheim | - | VfL Alfter | 4:2 | ||||
| 11. Round | 05/11/2017 | FC Pesch 1956 | - | VfL Alfter | 1:0 | ||||
| 13. Round | 19/11/2017 | VfL Alfter | - | TV Herkenrath | 2:3 | ||||
| 10. Round | 25/11/2017 | VfL Alfter | - | Euskirchener TSC | 2:2 | ||||
| 8. Round | 29/11/2017 | VfL Alfter | - | Borussia Freialdenhoven | 2:1 |  |
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| 14. Round | 18/02/2018 | VfL 08 Vichttal | - | VfL Alfter | 1:1 | ||||
| 20. Round | 25/03/2018 | VfL Alfter | - | Hilal Maroc Bergheim | 3:3 | ||||
| 15. Round | 28/03/2018 | VfL Alfter | - | SSV Merten | 1:0 | |
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| 21. Round | 02/04/2018 | SV Breinig | - | VfL Alfter | 1:1 | ||||
| 22. Round | 08/04/2018 | VfL Alfter | - | Viktoria Arnoldsweiler | 0:2 | ||||
| 24. Round | 22/04/2018 | VfL Alfter | - | FC Hennef 05 | 3:0 | ||||
| 25. Round | 29/04/2018 | Euskirchener TSC | - | VfL Alfter | 0:2 | ||||
| 26. Round | 06/05/2018 | VfL Alfter | - | FC Pesch 1956 | 2:2 | ||||
| 29. Round | 03/06/2018 | VfL Alfter | - | VfL 08 Vichttal | 4:2 |
Germany