| 4. Round | 11/09/2004 | 1. FSV Mainz 05 | - | Bayer Leverkusen | 2:0 | ||||
| 5. Round | 18/09/2004 | Arminia Bielefeld | - | 1. FSV Mainz 05 | 1:1 |  |
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| 6. Round | 26/09/2004 | 1. FSV Mainz 05 | - | Borussia Dortmund | 1:1 | ||||
| 7. Round | 02/10/2004 | SC Freiburg | - | 1. FSV Mainz 05 | 1:2 | |
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| 8. Round | 16/10/2004 | 1. FSV Mainz 05 | - | Werder Bremen | 2:1 | ||||
| 9. Round | 24/10/2004 | FC Schalke 04 | - | 1. FSV Mainz 05 | 2:1 | |
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| 10. Round | 27/10/2004 | 1. FSV Mainz 05 | - | Hansa Rostock | 3:1 | ||||
| 11. Round | 30/10/2004 | VfL Wolfsburg | - | 1. FSV Mainz 05 | 4:3 |
Morocco