| Runde | Datum | Begegnung | |||
|---|---|---|---|---|---|
| 1 | 10.6 | U18B LB | Lachen / Burgmoos Richterswil 2 | Ganden Gumbatshang R8 | 6:4 6:2 |
| - Ganden Gumbatshang R8
- Silvan Hug R9 | 6:2 6:3 | ||||
| 2 | 16.6 | U18B LB | Lachen / Engematt | Mathis Fischer R7 | 7:6 4:6 6:7 |
| - Mathis Fischer R7
- Christian Mohr R8 | 6:4 6:3 | ||||
| 3 | 20.6 | U18B LB | Lachen / Wettswil | Sebastian Beck R7 | 2:6 6:3 3:6 |
| - Sebastian Beck R7
- Elio Hintermann R7 | 0:6 1:6 | ||||