By surface
| Surface | Dennis Ralston | Jan Kukal |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-06-23 | ATP | Wimbledon | Round of 64 | Grass | Dennis Ralston | 7-5 | 6-2 | 6-4 |
| Surface | Dennis Ralston | Jan Kukal |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-06-23 | ATP | Wimbledon | Round of 64 | Grass | Dennis Ralston | 7-5 | 6-2 | 6-4 |