By surface
| Surface | Gary Hippenstiel | John Haak |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-09-22 | ATP | Berkeley | Round of 64 | Hard | Gary Hippenstiel | 6-2 | 9-7 |
| Surface | Gary Hippenstiel | John Haak |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-09-22 | ATP | Berkeley | Round of 64 | Hard | Gary Hippenstiel | 6-2 | 9-7 |