| 8. Round | 26/09/1998 | Arminia Bielefeld | - | Fortuna Köln | 2:1 | ||||
| 9. Round | 05/10/1998 | Fortuna Köln | - | 1. FC Köln | 4:2 | ||||
| 10. Round | 18/10/1998 | SpVgg Unterhaching | - | Fortuna Köln | 3:0 | ||||
| 11. Round | 26/10/1998 | Fortuna Köln | - | Hannover 96 | 3:0 |  |
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| 15. Round | 20/11/1998 | Fortuna Köln | - | Energie Cottbus | 3:0 | ||||
| 16. Round | 29/11/1998 | Rot-Weiß Oberhausen | - | Fortuna Köln | 0:0 | ||||
| 17. Round | 04/12/1998 | Fortuna Köln | - | FC Gütersloh | 3:2 | ||||
| 18. Round | 11/12/1998 | Fortuna Düsseldorf | - | Fortuna Köln | 2:2 | ||||
| 20. Round | 28/02/1999 | Stuttgarter Kickers | - | Fortuna Köln | 2:2 | ||||
| 22. Round | 14/03/1999 | SpVgg Greuther Fürth | - | Fortuna Köln | 4:0 | ||||
| 25. Round | 11/04/1999 | Fortuna Köln | - | Arminia Bielefeld | 1:1 | ||||
| 30. Round | 16/05/1999 | 1. FSV Mainz 05 | - | Fortuna Köln | 1:1 | ||||
| 31. Round | 23/05/1999 | Fortuna Köln | - | FC St. Pauli | 1:1 | |
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| 33. Round | 13/06/1999 | Fortuna Köln | - | Rot-Weiß Oberhausen | 0:0 |
Germany