| Women Nations League B 2025 - Appearances as Referee |  |
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| 30/05/2025 | Czech Republic | - | Croatia | 5:0 | 3 | - | - |
| Women Nations League B 2025 - Appearances as Referee | |
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| 30/05/2025 | Czech Republic | - | Croatia | 5:0 | 3 | - | - |
| Complete name: | Karoline Wacker |
| Born: | 19/02/1991 |
| Place of birth: |
Germany |
| Residence: | Marbach am Neckar |
| Nationality: |
Germany |
| Profession: | Finanzbeamtin |
| Club: | Sportfreunde Großerlach |
| Height: | 168 cm |
| Weight: | 63 kg |