| 1. Round | 16/07/2003 | Servette FC | - | FC Wil 1900 | 3:1 | ||||
| 9. Round | 03/09/2003 | FC Wil 1900 | - | FC Aarau | 1:0 | ||||
| 10. Round | 14/09/2003 | FC Wil 1900 | - | Servette FC | 2:2 | ||||
| 12. Round | 02/10/2003 | FC Wil 1900 | - | Grasshopper Club Zürich | 2:1 | ||||
| 15. Round | 29/10/2003 | Neuchâtel Xamax FC | - | FC Wil 1900 | 0:0 |  |
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| 16. Round | 02/11/2003 | FC Wil 1900 | - | FC Zürich | 2:1 | ||||
| 19. Round | 15/02/2004 | FC Wil 1900 | - | FC Thun | 0:2 | |
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| 20. Round | 22/02/2004 | Neuchâtel Xamax FC | - | FC Wil 1900 | 0:2 | ||||
| 21. Round | 29/02/2004 | FC Wil 1900 | - | FC Aarau | 1:1 | ||||
| 22. Round | 07/03/2004 | FC Zürich | - | FC Wil 1900 | 2:1 | ||||
| 23. Round | 12/03/2004 | Servette FC | - | FC Wil 1900 | 1:1 | ||||
| 24. Round | 17/03/2004 | FC Wil 1900 | - | BSC Young Boys | 1:3 | ||||
| 26. Round | 28/03/2004 | FC Wil 1900 | - | FC Basel 1893 | 1:1 | ||||
| 27. Round | 04/04/2004 | FC St. Gallen | - | FC Wil 1900 | 4:0 | ||||
| 33. Round | 08/05/2004 | FC Wil 1900 | - | FC Zürich | 0:1 | ||||
| 34. Round | 12/05/2004 | FC Aarau | - | FC Wil 1900 | 4:0 | ||||
| 35. Round | 15/05/2004 | FC Wil 1900 | - | Neuchâtel Xamax FC | 3:0 | |
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| 36. Round | 23/05/2004 | FC Thun | - | FC Wil 1900 | 2:0 |
Switzerland