| 1. Round | 02/03/1991 | Urania Genéve Sport | - | BSC Old Boys | 2:0 |  |
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| 2. Round | 10/03/1991 | BSC Old Boys | - | FC Aarau | 2:6 | ||||
| 3. Round | 17/03/1991 | FC Schaffhausen | - | BSC Old Boys | 3:0 | ||||
| 4. Round | 27/03/1991 | BSC Old Boys | - | FC Locarno | 0:4 | ||||
| 7. Round | 20/04/1991 | BSC Old Boys | - | FC Zürich | 2:2 | ||||
| 8. Round | 04/05/1991 | FC Zürich | - | BSC Old Boys | 0:0 | ||||
| 9. Round | 11/05/1991 | BSC Old Boys | - | SC Zug | 0:3 | |
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| 10. Round | 18/05/1991 | FC La Chaux-de-Fonds | - | BSC Old Boys | 0:3 | ||||
| 11. Round | 25/05/1991 | FC Locarno | - | BSC Old Boys | 1:0 | ||||
| 12. Round | 01/06/1991 | BSC Old Boys | - | FC Schaffhausen | 0:1 | ||||
| 13. Round | 08/06/1991 | FC Aarau | - | BSC Old Boys | 4:0 |
Switzerland