Head to head
0
Hard
1
4
Clay
5
4
Carpet
0
John McEnroe'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 (14)
| 1983 | Forest Hills WCT | Clay | SF | John McEnroe | 6-1 6-1 |
| 1983 | Davis Cup WG R1: ARG vs USA | Clay | RR | Guillermo Vilas | 6-4 6-0 6-1 |
| 1983 | Masters | Carpet | SF | John McEnroe | 6-3 6-3 |
| 1981 | Davis Cup WG F: USA vs ARG | Carpet | RR | John McEnroe | 6-3 6-2 6-2 |
| 1981 | Pepsi Grand Slam | Clay | F | John McEnroe | 6-7 6-4 6-0 |
| 1980 | Monte-Carlo WCT | Clay | QF | Guillermo Vilas | 6-1 6-4 |
| 1980 | Davis Cup AME F: ARG vs USA | Clay | RR | Guillermo Vilas | 6-2 4-6 6-3 2-6 6-4 |
| 1980 | Pepsi Grand Slam | Clay | 3rd/4th | John McEnroe | 8-7(5) |
| 1980 | Masters | Carpet | RR | John McEnroe | 6-2 6-3 |
| 1979 | Davis Cup AME F: USA vs ARG | Carpet | RR | John McEnroe | 6-2 6-3 6-2 |
| 1979 | Indianapolis | Clay | SF | Guillermo Vilas | 6-4 7-5 |
| 1979 | Pepsi Grand Slam | Clay | 3rd/4th | John McEnroe | 6-4 6-2 |
| 1978 | Basel | Hard | F | Guillermo Vilas | 6-3 5-7 7-5 6-4 |
| 1977 | South Orange | Clay | SF | Guillermo Vilas | 6-2 2-6 6-0 |
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.