Grenchen Tennistrainer
Tennishalle Grenchen AG
Flughafenstrasse 38, 2540 Grenchen, 032 653 06 83
| Chris Edtmeier | MPS-Tennistrainer (mental power system) | 079 232 70 11 |
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| Roger Schenk |
MPS-Tennistrainer (mental power system) Trainer C, ST |
076 340 44 42 |
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| Dani Caccivio | MPS-Tennistrainer (mental power system) | 079 709 24 88 |
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