| 1. Jornada | 19.08.2023 | BSC Young Boys [Sub 16] | - | FCO St. Gallen [Sub 16] | 0:3 | ||||
| 3. Jornada | 02.09.2023 | FC Aarau [Sub 16] | - | FCO St. Gallen [Sub 16] | 1:6 | ||||
| 5. Jornada | 16.09.2023 | Team Xamax-BEJUNE FA [Sub 16] | - | FCO St. Gallen [Sub 16] | 2:0 | ||||
| 7. Jornada | 07.10.2023 | Team Ticino [Sub 16] | - | FCO St. Gallen [Sub 16] | 0:1 | ||||
| 8. Jornada | 18.10.2023 | Grasshopper Club Zürich [Sub 16] | - | FCO St. Gallen [Sub 16] | 0:3 | ||||
| 10. Jornada | 28.10.2023 | FC Basel 1893 [Sub 16] | - | FCO St. Gallen [Sub 16] | 3:3 | ||||
| 12. Jornada | 11.11.2023 | FC Thun Berner Oberland [Sub 16] | - | FCO St. Gallen [Sub 16] | 1:5 | ||||
| 14. Jornada | 25.11.2023 | FCO St. Gallen [Sub 16] | - | BSC Young Boys [Sub 16] | 4:1 | ||||
| 24. Jornada | 13.04.2024 | FC Zürich [Sub 16] | - | FCO St. Gallen [Sub 16] | 4:4 |  |
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| 26. Jornada | 04.05.2024 | FC Lausanne-Sport [Sub 16] | - | FCO St. Gallen [Sub 16] | 4:1 |
Suiza