| 1. Round | 03/03/1991 | FC Chiasso | - | FC St. Gallen | 0:3 |  |
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| 2. Round | 10/03/1991 | FC St. Gallen | - | FC Fribourg | 6:1 | |
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| 3. Round | 17/03/1991 | FC Basel 1893 | - | FC St. Gallen | 0:1 | |
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| 4. Round | 27/03/1991 | FC St. Gallen | - | FC Baden | 2:0 | ||||
| 5. Round | 06/04/1991 | FC St. Gallen | - | FC Wettingen | 3:0 | |
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| 7. Round | 20/04/1991 | Etoile Carouge FC | - | FC St. Gallen | 1:5 | ||||
| 8. Round | 04/05/1991 | FC St. Gallen | - | Etoile Carouge FC | 2:3 | ||||
| 9. Round | 11/05/1991 | FC St. Gallen | - | Yverdon Sport FC | 1:1 | ||||
| 12. Round | 01/06/1991 | FC St. Gallen | - | FC Basel 1893 | 1:0 | ||||
| 13. Round | 08/06/1991 | FC Fribourg | - | FC St. Gallen | 1:2 | ||||
| 14. Round | 12/06/1991 | FC St. Gallen | - | FC Chiasso | 1:1 |
Chile