By surface
| Surface | Ingo Buding | Jan Hajer |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-07-22 | ATP | Hilversum | Round of 16 | Clay | Ingo Buding | 6-2 | 7-5 |
| Surface | Ingo Buding | Jan Hajer |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-07-22 | ATP | Hilversum | Round of 16 | Clay | Ingo Buding | 6-2 | 7-5 |