Head to head
5
Clay
1
0
Grass
1
0
Carpet
2
Manuel Orantes's wins on the left · Arthur Ashe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1978 | Boston | Clay | SF | Manuel Orantes | 6-3 6-2 |
| 1978 | Denver | Carpet | R16 | Arthur Ashe | 6-4 6-3 |
| 1976 | Pepsi Grand Slam | Clay | SF | Manuel Orantes | 6-4 6-4 |
| 1975 | Masters | Carpet | RR | Arthur Ashe | 6-4 6-1 |
| 1975 | Indianapolis | Clay | F | Manuel Orantes | 6-2 6-2 |
| 1975 | Monte-Carlo WCT | Clay | R16 | Manuel Orantes | 6-2 6-3 |
| 1974 | Roland Garros | Clay | R16 | Manuel Orantes | 6-1 6-2 6-2 |
| 1971 | US Open | Grass | QF | Arthur Ashe | 6-1 6-2 7-6 |
| 1970 | Roland Garros | Clay | R16 | Arthur Ashe | 3-6 6-4 6-2 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.