| Women 2. Bundesliga 2021/2022 - Appearances as Referee |  |
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| 05/09/2021 | Borussia Bocholt | - | SV 07 Elversberg | 2:2 | 3 | - | - |
| Women 2. Bundesliga 2021/2022 - Appearances as Referee | |
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| 05/09/2021 | Borussia Bocholt | - | SV 07 Elversberg | 2:2 | 3 | - | - |
| Complete name: | Sina Diekmann |
| Born: | 05/06/1989 |
| Place of birth: |
Germany |
| Residence: | Göttingen |
| Nationality: |
Germany |
| Profession: | Studentin |
| Club: | TSV Arholzen |
| Height: | 173 cm |