Head to head
Rivalry summary
Viorel Marcu and Clark Graebner met 2 times on the ATP tour between 1975 and 1975. Clark Graebner leads the head-to-head 2–0 against Viorel Marcu. By surface, Graebner leads 2–0 on carpet.
0
Carpet
2
Viorel Marcu's wins on the left · Clark Graebner's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Fairfield | Carpet | R32 | Clark Graebner | 6-0 6-4 |
| 1975 | Roanoke | Carpet | R16 | Clark Graebner | 6-1 6-1 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.