| 21. Round | 08/03/2025 | Heider SV | - | TSV Nordmark Satrup | 3:1 | ||||
| 22. Round | 15/03/2025 | Kilia Kiel | - | Heider SV | 5:3 | ||||
| 24. Round | 29/03/2025 | FC Dornbreite Lübeck | - | Heider SV | 1:6 |  |
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| 25. Round | 05/04/2025 | Heider SV | - | SV Eichede | 1:0 |  |
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| 26. Round | 12/04/2025 | Preußen 09 Reinfeld | - | Heider SV | 3:4 | |
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| 27. Round | 26/04/2025 | Heider SV | - | VfR Neumünster | 1:4 | ||||
| 16. Round | 30/04/2025 | MTSV Hohenwestedt | - | Heider SV | 2:2 | ||||
| 29. Round | 10/05/2025 | Heider SV | - | TSB Flensburg | 4:1 | ||||
| 30. Round | 17/05/2025 | SpVg Eidertal Molfsee | - | Heider SV | 0:3 |
Germany