Head to head
2
Clay
0
1
Carpet
0
Manuel Orantes's wins on the left · Marty Riessen's on the right · bar lengths share one scale
All meetings (3)
| 1977 | Tokyo | Clay | R64 | Manuel Orantes | 6-3 6-1 |
| 1976 | London | Carpet | R32 | Manuel Orantes | 7-5 6-4 |
| 1971 | Barcelona WCT | Clay | SF | Manuel Orantes | 3-6 6-4 6-0 6-1 |
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.