Head to head
2
Clay
1
1
Carpet
1
Manuel Orantes's wins on the left · Cliff Drysdale's on the right · bar lengths share one scale
All meetings (6)
| 1978 | St. Louis WCT | Carpet | R32 | Manuel Orantes | 7-6 6-3 |
| 1976 | Barcelona WCT | Carpet | R16 | Cliff Drysdale | 3-6 7-6(6) 6-3 |
| 1975 | Boston | Clay | R16 | Manuel Orantes | W/O |
| 1973 | Toronto-2 | Clay | SF | Manuel Orantes | 6-4 6-4 |
| 1971 | Barcelona WCT | Clay | R16 | Manuel Orantes | 6-4 6-3 |
| 1969 | Rome | Clay | R32 | Cliff Drysdale | 6-4 7-5 1-6 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.