| 5. Round | 08/08/1998 | Lausanne Sports | - | FC Sion | 2:1 |  |
|||
| 6. Round | 16/08/1998 | FC Aarau | - | Lausanne Sports | 2:2 | ||||
| 7. Round | 21/08/1998 | Lausanne Sports | - | FC Zürich | 1:1 | ||||
| 9. Round | 08/09/1998 | Lausanne Sports | - | FC Basel 1893 | 0:2 | ||||
| 10. Round | 12/09/1998 | Neuchâtel Xamax FC | - | Lausanne Sports | 4:1 | ||||
| 11. Round | 20/09/1998 | Lausanne Sports | - | FC St. Gallen | 1:0 | ||||
| 13. Round | 04/10/1998 | FC Luzern | - | Lausanne Sports | 1:0 | ||||
| 14. Round | 18/10/1998 | BSC Young Boys | - | Lausanne Sports | 7:2 | |
|||
| 16. Round | 31/10/1998 | FC Sion | - | Lausanne Sports | 0:4 | ||||
| 17. Round | 08/11/1998 | Lausanne Sports | - | FC Aarau | 2:1 | ||||
| 21. Round | 06/12/1998 | Lausanne Sports | - | Neuchâtel Xamax FC | 1:0 | |
|||
| 22. Round | 13/12/1998 | FC St. Gallen | - | Lausanne Sports | 0:1 | |
Armenia