Head to head
0
Hard
1
1
Carpet
1
Clark Graebner's wins on the left · Ove Nils Bengtson's on the right · bar lengths share one scale
All meetings (3)
| 1973 | Kingston | Hard | 3rd/4th | Ove Nils Bengtson | 10-6 |
| 1972 | New York-2 | Carpet | R16 | Ove Nils Bengtson | 6-4 4-6 6-4 |
| 1969 | New York-1 | Carpet | R32 | Clark Graebner | 4-6 6-3 12-10 |
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.