By surface
| Surface | Clark Graebner | Hans Kary |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-01-17 | ATP | Birmingham | Round of 16 | Hard | Clark Graebner | 6-0 | 6-4 | |||
| 1971-03-28 | ATP | San Juan | Round of 32 | Hard | Clark Graebner | 6-7 | 6-1 | 6-0 |