1. Round | 25/02/1990 | FC Bulle | - | FC Aarau | 1:3 | ||||
2. Round | 04/03/1990 | FC Aarau | - | FC Wettingen | 1:0 | ||||
3. Round | 11/03/1990 | FC Locarno | - | FC Aarau | 2:0 | ||||
4. Round | 18/03/1990 | FC Aarau | - | FC Winterthur | 1:0 | ||||
5. Round | 25/03/1990 | CS Chênois | - | FC Aarau | 0:3 |