| Nations League A 2018/2019 - Appearances as Assistant | ||||
| 12/10/2018 | Croatia | - | England | 0:0 |
| 05/06/2019 | Portugal | - | Switzerland | 3:1 |
| Nations League A 2018/2019 - Appearances as Assistant | ||||
| 12/10/2018 | Croatia | - | England | 0:0 |
| 05/06/2019 | Portugal | - | Switzerland | 3:1 |
| Complete name: | Stefan Lupp |
| Born: | 09/09/1978 |
| Place of birth: |
Germany |
| Residence: | Zossen |
| Nationality: |
Germany |