| Runde | Datum | Begegnung | |||
|---|---|---|---|---|---|
| 1 | 5.6 | U18B LA | Zizers / Falkensteig SG | Sebastian Cavelti R8 | 6:2 6:4 |
| - Jevin-Dallon Rasanayagam R7
- Sebastian Cavelti R8 | 7:6 1:6 10:5 | ||||
| 2 | 18.6 | U18B LA | Zizers / Schaan | Liam Kos R9 | 6:4 6:2 |
| - Ursin Sulser R7
- Liam Kos R9 | 6:2 7:5 | ||||
| 3 | 26.6 | U18B LA | Zizers / Chur | Leano Brunner R6 | 7:6 3:6 2:6 |
| - Nicolas Winkler R7
- Enrique Müller R8 | 6:0 6:1 | ||||
| 4 | 21.8 | U18B LA | Zizers / Dietlikon | Silvan Kälin R6 | 4:6 3:6 |
| - Raphaël Larisch R5
- Leonardo Castagna R6 | 1:6 2:6 | ||||