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- First Name : Jan Jakob
- Last Name : Olschowsky
- Team : Alemannia Aachen
- Nationality : Germany
- Position : Goalkeeper
- Birth Place :
- Birth Country : Germany
- Birthdate : 18/11/2001
- Age : 24
- Height : 183 cm
- Weight : 80 kg
| Team | Season |  |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|
| Alemannia Aachen | 2024/2025 | 1433 | 3 | 0 | 1 | 0 | 0 | 6.725000 |
| Borussia M'gladbach | 2024/2025 | 0 | 0 | 0 | 0 | 0 | ||
| Borussia M'gladbach II | 2024/2025 | 180 | 0 | 0 | 0 | 0 | ||
| Borussia M'gladbach | 2023/2024 | 0 | 0 | 0 | 0 | 0 | ||
| Borussia M'gladbach II | 2023/2024 | 900 | 1 | 0 | 0 | 0 | ||
| Borussia M'gladbach | 2022/2023 | 360 | 0 | 0 | 0 | 0 | 6.900000 | |
| Borussia M'gladbach II | 2022/2023 | 990 | 2 | 0 | 0 | 0 | ||
| Borussia M'gladbach | 2021/2022 | 0 | 0 | 0 | 0 | 0 | ||
| Borussia M'gladbach II | 2021/2022 | 1440 | 3 | 0 | 0 | 0 | ||
| Borussia M'gladbach | 2020/2021 | 0 | 0 | 0 | 0 | 0 | ||
| Borussia M'gladbach II | 2020/2021 | 2340 | 2 | 0 | 0 | 0 | ||
| Borussia M'gladbach II | 2019/2020 | 1556 | 0 | 0 | 1 | 0 | ||
| Borussia M'gladbach II | 2018/2019 | 180 | 0 | 0 | 0 | 0 | ||
| Borussia M'bach U19 | 2018/2019 | 1957 | 1 | 0 | 1 | 0 | ||
| Borussia M'bach U19 | 2017/2018 | 450 | 0 | 0 | 0 | 0 |
