Head to head
1
Hard
1
0
Clay
1
2
Carpet
1
Haroon Rahim's wins on the left · Clark Graebner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1972 | Kansas City-2 | Hard | SF | Haroon Rahim | 6-3 7-6 |
| 1972 | San Juan | Hard | RR | Clark Graebner | 6-4 6-2 |
| 1972 | Salisbury | Carpet | QF | Haroon Rahim | 6-4 4-6 6-4 |
| 1971 | Washington WCT | Clay | R64 | Clark Graebner | 6-4 7-5 |
| 1971 | New York | Carpet | QF | Clark Graebner | 7-5 6-2 |
| 1971 | Omaha | Carpet | R16 | Haroon Rahim | 7-5 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.