Johannes Haerteis
| Country | GER |
|---|---|
| Born | 1996-02-22 |
| Plays | Left-handed |
| Height | 196 cm |
| Career W–L | 72–85 |
| Titles | 0 |
| Career-high rank | No. 300 (2020-11-23) |
| Matches in database | 157 |
No narrative sections yet — career facts below.
| Country | GER |
|---|---|
| Born | 1996-02-22 |
| Plays | Left-handed |
| Height | 196 cm |
| Career W–L | 72–85 |
| Titles | 0 |
| Career-high rank | No. 300 (2020-11-23) |
| Matches in database | 157 |
No narrative sections yet — career facts below.