| 5. Round | 18/11/2020 | Alemannia Aachen | - | Fortuna Köln | 0:1 | ||||
| 16. Round | 21/11/2020 | Alemannia Aachen | - | 1. FC Köln II | 0:0 | ||||
| 18. Round | 29/11/2020 | Alemannia Aachen | - | Rot-Weiss Essen | 1:1 | ||||
| 4. Round | 02/12/2020 | Fortuna Düsseldorf II | - | Alemannia Aachen | 2:0 | ||||
| 19. Round | 05/12/2020 | SC Wiedenbrück | - | Alemannia Aachen | 0:1 |  |
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| 12. Round | 09/01/2021 | SV 19 Straelen | - | Alemannia Aachen | 0:0 | ||||
| 29. Round | 06/03/2021 | Rot-Weiß Oberhausen | - | Alemannia Aachen | 3:1 | ||||
| 30. Round | 13/03/2021 | FC Schalke 04 II | - | Alemannia Aachen | 2:2 | |
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| 31. Round | 20/03/2021 | Alemannia Aachen | - | SV Rödinghausen | 0:0 | ||||
| 32. Round | 27/03/2021 | SV Bergisch Gladbach 09 | - | Alemannia Aachen | 0:0 | ||||
| 33. Round | 03/04/2021 | Alemannia Aachen | - | SV 19 Straelen | 2:3 | ||||
| 34. Round | 07/04/2021 | VfB Homberg | - | Alemannia Aachen | 0:2 |  |
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| 35. Round | 10/04/2021 | Alemannia Aachen | - | Wuppertaler SV | 0:2 | ||||
| 37. Round | 23/04/2021 | 1. FC Köln II | - | Alemannia Aachen | 0:2 | ||||
| 38. Round | 08/05/2021 | Alemannia Aachen | - | Sportfreunde Lotte | 0:3 |
Germany