| 16. Round | 14/08/2021 | Ljungskile SK | - | Oskarshamns AIK | 1:1 | ||||
| 17. Round | 21/08/2021 | Oskarshamns AIK | - | Qviding FIF | 1:0 | ||||
| 18. Round | 28/08/2021 | Utsiktens BK | - | Oskarshamns AIK | 1:2 |  |
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| 19. Round | 05/09/2021 | Oskarshamns AIK | - | Vänersborgs IF | 4:1 | ||||
| 20. Round | 11/09/2021 | Skövde AIK | - | Oskarshamns AIK | 2:0 | ||||
| 22. Round | 25/09/2021 | Österlen FF | - | Oskarshamns AIK | 4:1 | ||||
| 23. Round | 02/10/2021 | Oskarshamns AIK | - | Åtvidabergs FF | 0:1 | ||||
| 24. Round | 09/10/2021 | FC Linköping City | - | Oskarshamns AIK | 0:3 | |
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| 25. Round | 16/10/2021 | Lunds BK | - | Oskarshamns AIK | 1:0 | |
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| 28. Round | 06/11/2021 | Oskarshamns AIK | - | FC Trollhättan | 0:0 |
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