By surface
| Surface | Adriano Panatta | Clark Graebner |
|---|---|---|
| Grass | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1972-08-30 | ATP | US Open | Round of 128 | Grass | Clark Graebner | 6-4 | 3-6 | 5-7 | 2-6 | |
| 1968-12-09 | ATP | Brisbane | Round of 32 | Grass | Adriano Panatta | 9-11 | 9-7 | 6-3 |