| 5. Round | 10/08/1988 | Neuchâtel Xamax FC | - | BSC Young Boys | 2:5 | ||||
| 6. Round | 13/08/1988 | BSC Young Boys | - | Lausanne Sports | 3:1 |  |
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| 7. Round | 20/08/1988 | FC St. Gallen | - | BSC Young Boys | 2:0 | ||||
| 8. Round | 27/08/1988 | BSC Young Boys | - | AC Bellinzona | 4:1 | |
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| 9. Round | 31/08/1988 | FC Aarau | - | BSC Young Boys | 2:1 | ||||
| 10. Round | 10/09/1988 | Grasshopper Club Zürich | - | BSC Young Boys | 2:2 | ||||
| 11. Round | 14/09/1988 | BSC Young Boys | - | FC Sion | 0:0 | ||||
| 12. Round | 24/09/1988 | BSC Young Boys | - | FC Lugano | 3:3 | ||||
| 13. Round | 28/09/1988 | FC Wettingen | - | BSC Young Boys | 1:1 | ||||
| 14. Round | 08/10/1988 | BSC Young Boys | - | Servette FC | 2:3 | ||||
| 15. Round | 12/10/1988 | FC Luzern | - | BSC Young Boys | 1:3 |  |
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| 16. Round | 22/10/1988 | BSC Young Boys | - | Neuchâtel Xamax FC | 2:2 | ||||
| 17. Round | 29/10/1988 | Lausanne Sports | - | BSC Young Boys | 1:4 | |
Sweden