Head to head
1
Grass
0
1
Carpet
0
Clark Graebner's wins on the left · Torben Ulrich's on the right · bar lengths share one scale
All meetings (2)
| 1974 | US Open | Grass | R128 | Clark Graebner | 6-3 6-1 7-5 |
| 1969 | Richmond | Carpet | SF | Clark Graebner | 7-5 10-8 |
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.