| DFB-Pokal 2023/2024 - Appearances as Assistant | ||||
| 13/08/2023 | FV Illertissen | - | Fortuna Düsseldorf | 1:3 |
| 01/11/2023 | Borussia Dortmund | - | 1899 Hoffenheim | 1:0 |
| DFB-Pokal 2023/2024 - Appearances as Assistant | ||||
| 13/08/2023 | FV Illertissen | - | Fortuna Düsseldorf | 1:3 |
| 01/11/2023 | Borussia Dortmund | - | 1899 Hoffenheim | 1:0 |
| Complete name: | Thorben Siewer |
| Born: | 05/07/1987 |
| Place of birth: |
Germany |
| Residence: | Drolshagen |
| Nationality: |
Germany |
| Profession: | Controller |
| Club: | FC Schreibershof |