Lasse Poertner
| Country | GER |
|---|---|
| Born | 2005-11-22 |
| Plays | Right-handed |
| Height | 196 cm |
| Career W–L | 3–3 |
| Titles | 0 |
| Career high | No. 853 (2025-01-13) |
| Matches in database | 6 |
No narrative sections yet — career facts below.
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0