By surface
| Surface | Clark Graebner | Viorel Marcu |
|---|---|---|
| Carpet | 1 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-02-24 | ATP | Fairfield | Round of 32 | Carpet | Clark Graebner | 6-0 | 6-4 | |||
| 1975-01-29 | ATP | Roanoke | Round of 16 | — | Clark Graebner | 6-1 | 6-1 |