Head to head
5
Clay
8
2
Carpet
0
Guillermo Vilas's wins on the left · Manuel Orantes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (16)
| 1980 | Roland Garros | Clay | R16 | Guillermo Vilas | W/O |
| 1978 | Hamburg | Clay | SF | Guillermo Vilas | 0-6 1-1 RET |
| 1978 | Masters | Carpet | RR | Guillermo Vilas | 6-4 6-1 |
| 1976 | Tehran | Clay | SF | Manuel Orantes | 6-7 6-0 6-3 |
| 1975 | US Open | Clay | SF | Manuel Orantes | 4-6 1-6 6-2 7-5 6-4 |
| 1975 | Indianapolis | Clay | SF | Manuel Orantes | 6-4 6-2 |
| 1975 | Rome | Clay | SF | Manuel Orantes | 6-2 6-2 6-2 |
| 1975 | Bournemouth | Clay | SF | Manuel Orantes | 6-2 6-2 |
| 1974 | Buenos Aires | Clay | F | Guillermo Vilas | 6-3 0-6 7-5 6-2 |
| 1974 | London-2 | Carpet | QF | Guillermo Vilas | 6-1 6-7 7-6 |
| 1974 | Toronto-2 | Clay | F | Guillermo Vilas | 6-4 6-2 6-3 |
| 1974 | Indianapolis | Clay | QF | Manuel Orantes | 6-1 6-3 |
| 1974 | Gstaad | Clay | F | Guillermo Vilas | 6-1 6-2 |
| 1974 | Roland Garros | Clay | R32 | Manuel Orantes | 3-6 3-6 7-6 6-3 6-2 |
| 1973 | Washington-3 | Clay | R64 | Guillermo Vilas | 7-5 6-1 |
| 1973 | Hamburg | Clay | R32 | Manuel Orantes | 3-6 6-0 11-9 |
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.