| 1. Round | 19/09/2020 | Eintracht Frankfurt | - | Arminia Bielefeld | 1:1 | ||||
| 3. Round | 03/10/2020 | Werder Bremen | - | Arminia Bielefeld | 1:0 | ||||
| 5. Round | 25/10/2020 | VfL Wolfsburg | - | Arminia Bielefeld | 2:1 | ||||
| 7. Round | 07/11/2020 | 1. FC Union Berlin | - | Arminia Bielefeld | 5:0 | ||||
| 15. Round | 10/01/2021 | Arminia Bielefeld | - | Hertha BSC | 1:0 |  |
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| 16. Round | 16/01/2021 | 1899 Hoffenheim | - | Arminia Bielefeld | 0:0 | ||||
| 17. Round | 20/01/2021 | Arminia Bielefeld | - | VfB Stuttgart | 3:0 | ||||
| 18. Round | 23/01/2021 | Arminia Bielefeld | - | Eintracht Frankfurt | 1:5 | ||||
| 19. Round | 31/01/2021 | 1. FC Köln | - | Arminia Bielefeld | 3:1 | ||||
| 21. Round | 15/02/2021 | Bayern München | - | Arminia Bielefeld | 3:3 | ||||
| 22. Round | 19/02/2021 | Arminia Bielefeld | - | VfL Wolfsburg | 0:3 | ||||
| 23. Round | 27/02/2021 | Borussia Dortmund | - | Arminia Bielefeld | 3:0 | ||||
| 24. Round | 07/03/2021 | Arminia Bielefeld | - | 1. FC Union Berlin | 0:0 | ||||
| 20. Round | 10/03/2021 | Arminia Bielefeld | - | Werder Bremen | 0:2 | ||||
| 26. Round | 19/03/2021 | Arminia Bielefeld | - | RB Leipzig | 0:1 | ||||
| 34. Round | 22/05/2021 | VfB Stuttgart | - | Arminia Bielefeld | 0:2 |
Denmark