| 2. Round | 18/04/2021 | IK Sirius | - | Halmstads BK | 1:0 | ||||
| 3. Round | 25/04/2021 | IFK Norrköping | - | Halmstads BK | 2:1 |  |
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| 5. Round | 08/05/2021 | Örebro SK | - | Halmstads BK | 1:0 | ||||
| 6. Round | 13/05/2021 | Halmstads BK | - | Mjällby AIF | 1:1 | ||||
| 7. Round | 17/05/2021 | IF Elfsborg | - | Halmstads BK | 2:3 | ||||
| 10. Round | 12/07/2021 | Halmstads BK | - | Djurgårdens IF | 0:0 | ||||
| 11. Round | 19/07/2021 | Halmstads BK | - | Varbergs BoIS | 1:1 | ||||
| 12. Round | 26/07/2021 | Östersunds FK | - | Halmstads BK | 0:1 | ||||
| 13. Round | 02/08/2021 | AIK Solna | - | Halmstads BK | 1:0 | ||||
| 14. Round | 07/08/2021 | Halmstads BK | - | Malmö FF | 0:0 | ||||
| 15. Round | 14/08/2021 | Kalmar FF | - | Halmstads BK | 1:1 | ||||
| 17. Round | 28/08/2021 | Varbergs BoIS | - | Halmstads BK | 1:0 | ||||
| 18. Round | 12/09/2021 | IFK Göteborg | - | Halmstads BK | 2:0 | ||||
| 22. Round | 02/10/2021 | Halmstads BK | - | Östersunds FK | 1:1 | ||||
| 23. Round | 16/10/2021 | Degerfors IF | - | Halmstads BK | 2:1 | ||||
| 25. Round | 28/10/2021 | Halmstads BK | - | Örebro SK | 1:1 | ||||
| 27. Round | 06/11/2021 | Djurgårdens IF | - | Halmstads BK | 1:0 | ||||
| 28. Round | 21/11/2021 | Halmstads BK | - | IF Elfsborg | 0:1 |
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