Head to head
3
Hard
0
2
Grass
0
2
Carpet
1
Clark Graebner's wins on the left · Jim McManus's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1972 | Hampton | Carpet | R32 | Jim McManus | 6-4 6-2 |
| 1971 | New York | Carpet | R16 | Clark Graebner | 6-3 7-6 |
| 1970 | Kansas City | Hard | QF | Clark Graebner | 6-4 6-2 |
| 1969 | Sacramento | Hard | SF | Clark Graebner | 6-2 6-3 |
| 1969 | Richmond | Carpet | QF | Clark Graebner | 8-6 6-2 |
| 1968 | US Open | Grass | R64 | Clark Graebner | 6-1 6-4 14-12 |
| 1968 | Bristol | Grass | SF | Clark Graebner | 6-3 6-3 |
| 1968 | Macon | Hard | QF | Clark Graebner | 6-3 6-4 |
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.