| 1. Round | 13/08/2017 | TuS Haltern | - | Arminia Bielefeld II | 2:1 | ||||
| 2. Round | 20/08/2017 | Arminia Bielefeld II | - | FC Brünninghausen | 4:0 | ||||
| 3. Round | 27/08/2017 | Arminia Bielefeld II | - | FC Gütersloh | 1:0 | ||||
| 5. Round | 10/09/2017 | Arminia Bielefeld II | - | Sportfreunde Siegen | 1:0 | ||||
| 6. Round | 17/09/2017 | Rot Weiss Ahlen | - | Arminia Bielefeld II | 1:0 | ||||
| 7. Round | 24/09/2017 | Arminia Bielefeld II | - | FC Schalke 04 II | 0:2 | ||||
| 16. Round | 03/12/2017 | FCE Rheine | - | Arminia Bielefeld II | 4:0 | ||||
| 21. Round | 04/03/2018 | Arminia Bielefeld II | - | 1. FC Kaan-Marienborn | 2:3 | ||||
| 17. Round | 14/03/2018 | Arminia Bielefeld II | - | SC Paderborn 07 II | 1:4 | ||||
| 20. Round | 05/04/2018 | FC Gütersloh | - | Arminia Bielefeld II | 1:1 |  |
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| 29. Round | 22/04/2018 | Arminia Bielefeld II | - | TSG Sprockhövel | 2:1 | ||||
| 18. Round | 02/05/2018 | Arminia Bielefeld II | - | TuS Haltern | 0:1 | ||||
| 34. Round | 09/05/2018 | SC Paderborn 07 II | - | Arminia Bielefeld II | 1:0 |
Germany