| 1. Round | 19/08/2023 | BSC Young Boys [Youth B] | - | FCO St. Gallen [Youth B] | 5:1 | ||||
| 4. Round | 09/09/2023 | FCO St. Gallen [Youth B] | - | FC Winterthur [Youth B] | 3:0 dec. |  |
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| 5. Round | 16/09/2023 | Team Xamax-BEJUNE FA [Youth B] | - | FCO St. Gallen [Youth B] | 3:7 | |
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| 6. Round | 23/09/2023 | FCO St. Gallen [Youth B] | - | FC Luzern [Youth B] | 0:3 | ||||
| 8. Round | 14/10/2023 | Grasshopper Club Zürich [Youth B] | - | FCO St. Gallen [Youth B] | 3:1 | ||||
| 11. Round | 04/11/2023 | FCO St. Gallen [Youth B] | - | FC Zürich [Youth B] | 0:3 | ||||
| 13. Round | 18/11/2023 | FCO St. Gallen [Youth B] | - | FC Lausanne-Sport [Youth B] | 3:2 | ||||
| 14. Round | 25/11/2023 | FCO St. Gallen [Youth B] | - | BSC Young Boys [Youth B] | 4:3 |
Bosnia-Herzegovina