| 1. Round | 16/06/2020 | Sarpsborg 08 | - | Vålerenga IF | 0:1 | ||||
| 2. Round | 20/06/2020 | Mjøndalen IF | - | Sarpsborg 08 | 1:0 | ||||
| 3. Round | 25/06/2020 | Sarpsborg 08 | - | Strømsgodset IF | 2:3 | ||||
| 4. Round | 28/06/2020 | FK Bodø/Glimt | - | Sarpsborg 08 | 2:1 | ||||
| 5. Round | 02/07/2020 | Sarpsborg 08 | - | SK Brann | 0:1 |  |
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| 6. Round | 05/07/2020 | Sandefjord Fotball | - | Sarpsborg 08 | 0:3 |  |
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| 7. Round | 12/07/2020 | Sarpsborg 08 | - | IK Start | 1:0 | |
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| 8. Round | 16/07/2020 | Stabæk IF | - | Sarpsborg 08 | 1:1 | ||||
| 9. Round | 19/07/2020 | Sarpsborg 08 | - | Odds BK | 2:0 | ||||
| 10. Round | 26/07/2020 | Viking FK | - | Sarpsborg 08 | 3:0 | ||||
| 11. Round | 29/07/2020 | Sarpsborg 08 | - | FK Haugesund | 0:0 | ||||
| 12. Round | 02/08/2020 | Sarpsborg 08 | - | Aalesunds FK | 4:0 | ||||
| 13. Round | 09/08/2020 | Rosenborg BK | - | Sarpsborg 08 | 5:1 | ||||
| 14. Round | 15/08/2020 | Sarpsborg 08 | - | Molde FK | 2:1 | |
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| 15. Round | 22/08/2020 | Kristiansund BK | - | Sarpsborg 08 | 4:1 | |
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| 16. Round | 30/08/2020 | Sarpsborg 08 | - | FK Bodø/Glimt | 0:3 |
Norway