| U18 U18 Gruppe A 2018/2019 2. Phase - Appearances as Referee |  |
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| 11/05/2019 | FC Basel 1893 | - | FC Biel/Bienne | 1:0 | 2 | - | - |
| U18 U18 Gruppe A 2018/2019 2. Phase - Appearances as Referee | |
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| 11/05/2019 | FC Basel 1893 | - | FC Biel/Bienne | 1:0 | 2 | - | - |
| Complete name: | Jean-Christophe Crettex |
| Born: | 25/07/1998 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |