| 5. Round | 03/08/2021 | FV Illertissen | - | TSV 1896 Rain | 1:1 | ||||
| 6. Round | 07/08/2021 | FV Illertissen | - | Bayern München II | 1:1 | ||||
| 7. Round | 13/08/2021 | FV Illertissen | - | SpVgg Greuther Fürth II | 2:0 |  |
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| 8. Round | 17/08/2021 | FC Pipinsried | - | FV Illertissen | 1:4 | ||||
| 9. Round | 20/08/2021 | FV Illertissen | - | TSV Aubstadt | 1:2 | ||||
| 10. Round | 28/08/2021 | SV Schalding-Heining | - | FV Illertissen | 1:3 | |
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| 11. Round | 31/08/2021 | FV Illertissen | - | Wacker Burghausen | 1:2 | ||||
| 12. Round | 03/09/2021 | SpVgg Unterhaching | - | FV Illertissen | 0:2 | ||||
| 13. Round | 10/09/2021 | FV Illertissen | - | 1. FC Nürnberg II | 2:4 | ||||
| 15. Round | 24/09/2021 | FV Illertissen | - | FC Augsburg II | 4:0 | ||||
| 16. Round | 02/10/2021 | SpVgg Bayreuth | - | FV Illertissen | 4:2 | ||||
| 19. Round | 22/10/2021 | SC Eltersdorf | - | FV Illertissen | 0:2 | ||||
| 20. Round | 30/10/2021 | Viktoria Aschaffenburg | - | FV Illertissen | 0:1 | ||||
| 21. Round | 06/11/2021 | FV Illertissen | - | VfB Eichstätt | 3:1 | ||||
| 22. Round | 13/11/2021 | TSV Buchbach | - | FV Illertissen | 0:1 | |
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| 23. Round | 20/11/2021 | FV Illertissen | - | FC Memmingen | 1:1 | ||||
| 25. Round | 03/12/2021 | Bayern München II | - | FV Illertissen | 2:0 |
Germany