| 20. Round | 05/02/2023 | SC Spelle-Venhaus | - | Heeslinger SC | 1:0 | ||||
| 21. Round | 12/02/2023 | Heeslinger SC | - | SV Ramlingen/Ehlershausen | 1:3 | ||||
| 22. Round | 19/02/2023 | Rotenburger SV | - | Heeslinger SC | 2:0 | ||||
| 23. Round | 26/02/2023 | Heeslinger SC | - | Blau-Weiß Papenburg | 3:1 | ||||
| 24. Round | 05/03/2023 | Germania Egestorf/Langreder | - | Heeslinger SC | 0:0 | ||||
| 26. Round | 19/03/2023 | TuS Bersenbrück | - | Heeslinger SC | 2:3 | ||||
| 27. Round | 26/03/2023 | Heeslinger SC | - | MTV Eintracht Celle | 6:2 | ||||
| 28. Round | 02/04/2023 | U.S.I. Lupo-Martini | - | Heeslinger SC | 4:1 | ||||
| 25. Round | 10/04/2023 | Heeslinger SC | - | MTV Gifhorn | 2:2 | ||||
| 29. Round | 15/04/2023 | Heeslinger SC | - | Arminia Hannover | 1:2 |  |
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| 30. Round | 23/04/2023 | VfL Oldenburg | - | Heeslinger SC | 4:1 |  |
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| 33. Round | 14/05/2023 | Heeslinger SC | - | FT Braunschweig | 1:0 | ||||
| 34. Round | 21/05/2023 | Heeslinger SC | - | SV Ahlerstedt/Ottendorf | 5:1 |
Germany