| 18. Round | 22/01/2005 | Bor. Mönchengladbach | - | Arminia Bielefeld | 1:0 | ||||
| 19. Round | 29/01/2005 | Arminia Bielefeld | - | Hannover 96 | 0:1 | ||||
| 21. Round | 13/02/2005 | Arminia Bielefeld | - | Bayern München | 3:1 | ||||
| 23. Round | 26/02/2005 | Arminia Bielefeld | - | 1. FC Nürnberg | 3:1 | ||||
| 24. Round | 05/03/2005 | VfB Stuttgart | - | Arminia Bielefeld | 2:1 | ||||
| 25. Round | 12/03/2005 | Arminia Bielefeld | - | Hamburger SV | 3:4 | ||||
| 28. Round | 10/04/2005 | Arminia Bielefeld | - | 1. FC Kaiserslautern | 0:2 | ||||
| 31. Round | 30/04/2005 | Werder Bremen | - | Arminia Bielefeld | 3:0 | ||||
| 33. Round | 14/05/2005 | Hansa Rostock | - | Arminia Bielefeld | 1:1 | ||||
| 34. Round | 21/05/2005 | Arminia Bielefeld | - | VfL Wolfsburg | 1:2 |
Spain