| 4. Round | 18/10/2020 | Fortuna Düsseldorf | - | Jahn Regensburg | 2:2 | ||||
| 5. Round | 24/10/2020 | Hannover 96 | - | Fortuna Düsseldorf | 3:0 | ||||
| 6. Round | 30/10/2020 | Fortuna Düsseldorf | - | 1. FC Heidenheim 1846 | 1:0 | ||||
| 7. Round | 07/11/2020 | 1. FC Nürnberg | - | Fortuna Düsseldorf | 1:1 | ||||
| 8. Round | 21/11/2020 | Fortuna Düsseldorf | - | SV Sandhausen | 1:0 | ||||
| 9. Round | 30/11/2020 | VfL Bochum | - | Fortuna Düsseldorf | 5:0 | ||||
| 10. Round | 04/12/2020 | Fortuna Düsseldorf | - | SV Darmstadt 98 | 3:2 | ||||
| 13. Round | 20/12/2020 | FC St. Pauli | - | Fortuna Düsseldorf | 0:3 | ||||
| 19. Round | 29/01/2021 | Würzburger Kickers | - | Fortuna Düsseldorf | 2:1 | ||||
| 20. Round | 08/02/2021 | Fortuna Düsseldorf | - | Holstein Kiel | 0:2 | ||||
| 29. Round | 18/04/2021 | VfL Osnabrück | - | Fortuna Düsseldorf | 0:3 | ||||
| 33. Round | 16/05/2021 | Fortuna Düsseldorf | - | Erzgebirge Aue | 3:0 | ||||
| 34. Round | 23/05/2021 | SpVgg Greuther Fürth | - | Fortuna Düsseldorf | 3:2 |
Austria