| Runde | Datum | Begegnung | |||
|---|---|---|---|---|---|
| 1 | 25.5 | U15B LB | Gossau SG 1 / Altstätten 2 | Yann Elias Eugster R9 | 6:1 6:1 |
| - Riano Frühwirth R8
- Andri Halter R9 | 6:2 6:4 | ||||
| 2 | 22.6 | U15B LB | Gossau SG 1 / Weinfelden | Jan Lanker R8 | 6:4 6:3 |
| - Maurice Bär R8
- Jan Lanker R8 | 6:2 7:5 | ||||
| 3 | 8.6 | U15B LB | Gossau SG 1 / Bütschwil | Laurin Alpiger R9 | 6:7 7:5 7:5 |
| - Manuel Wetter R9
- Jesse Odermatt R8 | 4:6 4:6 | ||||