| 1. Round | 01/05/2021 | Fylkir Reykjavík | - | FH Hafnarfjörður | 0:2 |  |
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| 2. Round | 09/05/2021 | FH Hafnarfjörður | - | Valur Reykjavík | 1:1 | ||||
| 3. Round | 13/05/2021 | FH Hafnarfjörður | - | ÍA Akranes | 5:1 | |
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| 4. Round | 17/05/2021 | HK Kópavogur | - | FH Hafnarfjörður | 1:3 | |
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| 5. Round | 22/05/2021 | FH Hafnarfjörður | - | KR Reykjavík | 0:2 | ||||
| 6. Round | 25/05/2021 | Leiknir Reykjavík | - | FH Hafnarfjörður | 2:1 | ||||
| 8. Round | 12/06/2021 | Víkingur Reykjavík | - | FH Hafnarfjörður | 2:0 | ||||
| 12. Round | 16/06/2021 | FH Hafnarfjörður | - | UMF Stjarnan | 1:1 | ||||
| 9. Round | 20/06/2021 | Breiðablik | - | FH Hafnarfjörður | 4:0 | ||||
| 10. Round | 27/06/2021 | FH Hafnarfjörður | - | KA Akureyri | 1:1 | |
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| 11. Round | 01/07/2021 | Valur Reykjavík | - | FH Hafnarfjörður | 2:0 | ||||
| 13. Round | 18/07/2021 | FH Hafnarfjörður | - | Fylkir Reykjavík | 1:0 | |
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| 14. Round | 25/07/2021 | ÍA Akranes | - | FH Hafnarfjörður | 0:3 | |
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| 15. Round | 04/08/2021 | FH Hafnarfjörður | - | HK Kópavogur | 2:4 | |
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| 16. Round | 08/08/2021 | KR Reykjavík | - | FH Hafnarfjörður | 1:1 | ||||
| 17. Round | 15/08/2021 | FH Hafnarfjörður | - | Leiknir Reykjavík | 5:0 | |
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| 18. Round | 21/08/2021 | Keflavík ÍF | - | FH Hafnarfjörður | 0:5 |
Scotland