| Youth Youth League 2019/2020 - Appearances as Assistant | ||||
| 17/09/2019 | Olympique Lyon | - | Zenit St. Petersburg | 4:2 |
| 23/10/2019 | AFC Ajax | - | Chelsea FC | 0:1 |
| Youth Youth League 2019/2020 - Appearances as Assistant | ||||
| 17/09/2019 | Olympique Lyon | - | Zenit St. Petersburg | 4:2 |
| 23/10/2019 | AFC Ajax | - | Chelsea FC | 0:1 |
| Complete name: | Jonas Erni |
| Born: | 12/08/1992 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |