Head to head
1
Hard
0
1
Clay
0
0
Carpet
1
Haroon Rahim's wins on the left · Onny Parun's on the right · bar lengths share one scale
All meetings (3)
| 1975 | Los Angeles | Carpet | R64 | Onny Parun | 3-6 6-3 6-4 |
| 1973 | Madrid-2 | Clay | R64 | Haroon Rahim | 7-6 7-6 |
| 1972 | Cleveland-1 | Hard | QF | Haroon Rahim | 6-4 7-6 |
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.