| 1. Ronde | 18.07.1998 | Grasshopper Club Zürich | - | Lausanne Sports | 2:2 |  |
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| 4. Ronde | 02.08.1998 | FC Sion | - | Grasshopper Club Zürich | 0:1 | ||||
| 5. Ronde | 05.08.1998 | Grasshopper Club Zürich | - | FC Aarau | 2:0 | ||||
| 6. Ronde | 16.08.1998 | FC Zürich | - | Grasshopper Club Zürich | 0:0 | ||||
| 7. Ronde | 21.08.1998 | Grasshopper Club Zürich | - | Servette FC | 3:0 | ||||
| 11. Ronde | 19.09.1998 | Grasshopper Club Zürich | - | FC Luzern | 2:0 | |
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| 12. Ronde | 25.09.1998 | Lausanne Sports | - | Grasshopper Club Zürich | 3:1 | ||||
| 13. Ronde | 03.10.1998 | Grasshopper Club Zürich | - | BSC Young Boys | 2:1 | ||||
| 14. Ronde | 16.10.1998 | FC Lugano | - | Grasshopper Club Zürich | 1:1 | ||||
| 15. Ronde | 27.10.1998 | Grasshopper Club Zürich | - | FC Sion | 4:1 | ||||
| 16. Ronde | 30.10.1998 | FC Aarau | - | Grasshopper Club Zürich | 0:3 | ||||
| 19. Ronde | 21.11.1998 | Grasshopper Club Zürich | - | FC Basel 1893 | 2:1 | ||||
| 20. Ronde | 29.11.1998 | Neuchâtel Xamax FC | - | Grasshopper Club Zürich | 0:2 |
Zwitserland
Spanje