P. Erfmann v sezoni 2022-2023: 6 tekem, 0 golov in 0 podaj v vseh tekmovanjih. Odigrane minute: 468.
| Sezona | Tekmovanje | Ekipa | Tekme | Odigrane minute | Goli | Asistence | Ocena |
|---|---|---|---|---|---|---|---|
| 2022-2023 | German U19 Youth League | Holstein Kiel U19 | 6 | 468 | 0 | 0 | – |
| 2021-2022 | German U19 Youth League | Holstein Kiel U19 | 9 | 484 | 0 | 0 | – |
| 2020-2021 | German U17 Youth League | Carl Zeiss Jena U17 | 1 | 78 | 0 | 0 | – |