Head to head
2
Hard
0
3
Clay
1
5
Carpet
0
Arthur Ashe's wins on the left · Onny Parun's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1975 | Paris | Hard | QF | Arthur Ashe | 6-4 6-0 |
| 1975 | Indianapolis | Clay | SF | Arthur Ashe | 6-4 7-6 |
| 1975 | Stockholm WCT | Carpet | SF | Arthur Ashe | 6-4 6-1 |
| 1975 | Barcelona WCT | Carpet | SF | Arthur Ashe | 6-2 6-4 |
| 1975 | Bologna WCT | Carpet | QF | Arthur Ashe | 6-2 6-4 |
| 1974 | San Francisco | Carpet | SF | Arthur Ashe | 6-4 7-6 |
| 1974 | Houston WCT | Clay | QF | Onny Parun | 2-6 6-2 6-4 |
| 1974 | Palm Desert WCT | Hard | R32 | Arthur Ashe | 6-3 6-4 |
| 1974 | Bologna WCT | Carpet | R16 | Arthur Ashe | 6-4 6-4 |
| 1970 | Washington | Clay | R32 | Arthur Ashe | 6-4 6-3 |
| 1970 | Jacksonville | Clay | SF | Arthur Ashe | 9-7 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.