| 10. Round | 12/06/2005 | Fredrikstad FK | - | FK Bodø/Glimt | 3:2 | ||||
| 17. Round | 07/08/2005 | Odd Grenland | - | Fredrikstad FK | 2:1 | ||||
| 18. Round | 13/08/2005 | Fredrikstad FK | - | Hamarkameratene | 1:1 | ||||
| 19. Round | 29/08/2005 | SK Brann | - | Fredrikstad FK | 4:0 | ||||
| 20. Round | 13/09/2005 | Fredrikstad FK | - | Vålerenga IF | 0:4 | ||||
| 21. Round | 18/09/2005 | Tromsø IL | - | Fredrikstad FK | 2:0 | ||||
| 25. Round | 23/10/2005 | Fredrikstad FK | - | Lillestrøm SK | 1:1 |
Norway