| 1. Round | 13/03/2021 | FC Winterthur [U18] | - | FCO St. Gallen/Wil [U18] | 0:8 | ||||
| 2. Round | 20/03/2021 | FC Sion [U18] | - | FCO St. Gallen/Wil [U18] | 6:0 | ||||
| 3. Round | 10/04/2021 | Grasshopper Club Zürich [U18] | - | FCO St. Gallen/Wil [U18] | 3:1 | ||||
| 4. Round | 17/04/2021 | FCO St. Gallen/Wil [U18] | - | Servette FC [U18] | 7:2 | ||||
| 5. Round | 24/04/2021 | FC Zürich [U18] | - | FCO St. Gallen/Wil [U18] | 5:1 | ||||
| 6. Round | 01/05/2021 | FCO St. Gallen/Wil [U18] | - | Team Aargau [U18] | 5:1 |  |
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| 7. Round | 08/05/2021 | Team FC Luzern/SC Kriens [U18] | - | FCO St. Gallen/Wil [U18] | 6:3 | ||||
| 8. Round | 15/05/2021 | FCO St. Gallen/Wil [U18] | - | FC Basel 1893 [U18] | 3:5 | ||||
| 9. Round | 22/05/2021 | FCO St. Gallen/Wil [U18] | - | BSC Young Boys [U18] | 1:4 | ||||
| 10. Round | 29/05/2021 | FCO St. Gallen/Wil [U18] | - | Team Vaud Lausanne [U18] | 6:0 | ||||
| 11. Round | 05/06/2021 | Team Ticino [U18] | - | FCO St. Gallen/Wil [U18] | 1:0 | ||||
| 13. Round | 19/06/2021 | Team Xamax-BEJUNE FA [U18] | - | FCO St. Gallen/Wil [U18] | 1:3 |
Switzerland
Montenegro