| 3. Round | 12/08/2023 | Heider SV | - | Weiche Flensburg 08 II | 4:3 | ||||
| 4. Round | 19/08/2023 | Weiche Flensburg 08 II | - | PSV Union Neumünster | 1:5 | ||||
| 5. Round | 27/08/2023 | SV Eichede | - | Weiche Flensburg 08 II | 1:1 | ||||
| 6. Round | 02/09/2023 | Weiche Flensburg 08 II | - | Preußen 09 Reinfeld | 0:2 | ||||
| 7. Round | 10/09/2023 | Inter Türkspor Kiel | - | Weiche Flensburg 08 II | 3:1 | ||||
| 9. Round | 23/09/2023 | TSV Bordesholm | - | Weiche Flensburg 08 II | 0:3 |  |
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| 10. Round | 30/09/2023 | Weiche Flensburg 08 II | - | Oldenburger SV | 0:3 | ||||
| 11. Round | 08/10/2023 | VfR Neumünster | - | Weiche Flensburg 08 II | 1:1 |
Germany