Jan Hajer
| Country | NED |
|---|---|
| Born | 1942-03-31 |
| Career W–L | 4–7 |
| Titles | 0 |
| Matches in database | 11 |
No narrative sections yet — career facts below.
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0
| Country | NED |
|---|---|
| Born | 1942-03-31 |
| Career W–L | 4–7 |
| Titles | 0 |
| Matches in database | 11 |
No narrative sections yet — career facts below.
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0