| Europa League 2020/2021 - Appearances as Assistant | ||||
| 10/12/2020 | AC Sparta Praha | - | AC Milan | 0:1 |
| 25/02/2021 | SSC Napoli | - | Granada CF | 2:1 |
| 11/03/2021 | Olympiakos Piraeus | - | Arsenal FC | 1:3 |
| 08/04/2021 | Dinamo Zagreb | - | Villarreal CF | 0:1 |
| Europa League 2020/2021 - Appearances as Assistant | ||||
| 10/12/2020 | AC Sparta Praha | - | AC Milan | 0:1 |
| 25/02/2021 | SSC Napoli | - | Granada CF | 2:1 |
| 11/03/2021 | Olympiakos Piraeus | - | Arsenal FC | 1:3 |
| 08/04/2021 | Dinamo Zagreb | - | Villarreal CF | 0:1 |
| Complete name: | Jan Seidel |
| Born: | 10/10/1984 |
| Place of birth: |
Germany |
| Residence: | Oberkrämer |
| Nationality: |
Germany |