| U18 U18 Gruppe A 2017/2018 1. Phase - Appearances as Referee |  |
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| 02/09/2017 | Team Aargau | - | Team Vaud Lausanne | 1:1 | 5 | - | - |
| 30/09/2017 | FC Basel | - | FC Biel/Bienne | 5:1 | 2 | - | - |
| 28/10/2017 | Team Ticino | - | Team FC Luzern/SC Kriens | 0:1 | 3 | 1 | - |
| U18 U18 Gruppe A 2017/2018 1. Phase - Appearances as Referee | |
|
|
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| 02/09/2017 | Team Aargau | - | Team Vaud Lausanne | 1:1 | 5 | - | - |
| 30/09/2017 | FC Basel | - | FC Biel/Bienne | 5:1 | 2 | - | - |
| 28/10/2017 | Team Ticino | - | Team FC Luzern/SC Kriens | 0:1 | 3 | 1 | - |
| Complete name: | Marco Helbling |
| Born: | 19/09/1995 |
| Place of birth: |
Flawil, 
Switzerland |
| Nationality: |
Switzerland |