Head to head
1
Clay
0
1
Grass
0
Clark Graebner's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Haverford | Grass | QF | Clark Graebner | 3-6 6-2 7-6 |
| 1971 | Indianapolis | Clay | QF | Clark Graebner | 6-4 6-2 |
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.