| Runde | Datum | Begegnung | |||
|---|---|---|---|---|---|
| 1 | 8.6 | U18B LB | Flawil 1 / Degenau | Luis Manuel Mejia Wick R8 | 6:4 6:3 |
| - Luca Ruckstuhl R8
- Lino Tappeiner R8 | 6:4 6:2 | ||||
| 2 | 25.5 | U18B LB | Flawil 1 / Buchs SG | Mattia Perone R8 | 6:1 6:1 |
| - Mattia Perone R8
- Nabil Abu Antoun R9 | 6:4 6:2 | ||||
| 3 | 1.6 | U18B LB | Flawil 1 / Rorschach | Luca Seeber R8 | 6:4 6:0 |
| - Luca Seeber R8
- Noah Biehle R8 | 6:7 1:6 | ||||