| 15. Round | 20/11/1998 | KFC Uerdingen 05 | - | 1. FSV Mainz 05 | 1:2 | ||||
| 16. Round | 02/12/1998 | 1. FSV Mainz 05 | - | Stuttgarter Kickers | 2:2 | ||||
| 17. Round | 06/12/1998 | TeBe Berlin | - | 1. FSV Mainz 05 | 3:0 | ||||
| 19. Round | 18/12/1998 | 1. FSV Mainz 05 | - | SG Wattenscheid 09 | 2:0 | ||||
| 20. Round | 26/02/1999 | Karlsruher SC | - | 1. FSV Mainz 05 | 0:1 | ||||
| 23. Round | 21/03/1999 | 1. FSV Mainz 05 | - | SpVgg Unterhaching | 1:0 | ||||
| 24. Round | 04/04/1999 | Hannover 96 | - | 1. FSV Mainz 05 | 3:2 | ||||
| 26. Round | 18/04/1999 | 1. FSV Mainz 05 | - | FC Gütersloh | 1:0 | ||||
| 27. Round | 23/04/1999 | FC St. Pauli | - | 1. FSV Mainz 05 | 2:1 | ||||
| 28. Round | 02/05/1999 | 1. FSV Mainz 05 | - | Energie Cottbus | 0:0 |  |
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| 30. Round | 16/05/1999 | 1. FSV Mainz 05 | - | Fortuna Köln | 1:1 | ||||
| 31. Round | 23/05/1999 | Fortuna Düsseldorf | - | 1. FSV Mainz 05 | 0:3 | ||||
| 32. Round | 28/05/1999 | 1. FSV Mainz 05 | - | KFC Uerdingen 05 | 3:0 |  |
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| 33. Round | 13/06/1999 | Stuttgarter Kickers | - | 1. FSV Mainz 05 | 1:3 | ||||
| 34. Round | 17/06/1999 | 1. FSV Mainz 05 | - | TeBe Berlin | 0:3 |
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