Head to head
0
Hard
1
2
Clay
7
0
Carpet
1
Patricio Cornejo's wins on the left · Guillermo Vilas's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1976 | Davis Cup AME QF: BRA vs ARG | Clay | RR | Guillermo Vilas | 6-1 6-1 6-3 |
| 1976 | Sao Paulo-2 | Carpet | R16 | Guillermo Vilas | 6-4 6-2 |
| 1976 | Davis Cup AME SF: CHI vs ARG | Clay | RR | Guillermo Vilas | 6-2 6-8 6-1 4-6 6-2 |
| 1975 | Madrid-2 | Clay | R16 | Guillermo Vilas | 6-4 6-4 |
| 1975 | Indianapolis | Clay | R32 | Guillermo Vilas | 6-3 6-3 |
| 1974 | Stockholm | Hard | R32 | Guillermo Vilas | 6-3 7-5 |
| 1974 | Toronto-2 | Clay | R64 | Guillermo Vilas | 6-3 7-5 |
| 1974 | Washington-2 | Clay | R16 | Guillermo Vilas | 6-1 6-3 |
| 1973 | Davis Cup SAM F: ARG vs CHI | Clay | RR | Patricio Cornejo | 11-13 6-1 9-7 3-6 6-1 |
| 1970 | Davis Cup SAM QF: ARG vs CHI | Clay | RR | Patricio Cornejo | 3-6 0-6 6-2 6-2 6-2 |
| 1969 | Buenos Aires | Clay | R16 | Guillermo Vilas | 6-1 4-6 5-7 6-4 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.