Head to head
5
Clay
7
0
Carpet
3
Guillermo Vilas's wins on the left · Ivan Lendl's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (15)
| 1983 | Hilton Head WCT | Clay | F | Ivan Lendl | 6-2 6-1 6-0 |
| 1983 | Detroit WCT | Carpet | F | Ivan Lendl | 7-5 6-2 2-6 6-4 |
| 1982 | Madrid | Clay | F | Guillermo Vilas | 6-7 4-6 6-0 6-3 6-3 |
| 1982 | Monte-Carlo | Clay | F | Guillermo Vilas | 6-1 7-6 6-3 |
| 1982 | Masters | Carpet | RR | Ivan Lendl | 6-4 6-1 |
| 1981 | Buenos Aires | Clay | F | Ivan Lendl | 6-1 6-2 |
| 1981 | Barcelona | Clay | F | Ivan Lendl | 6-0 6-3 6-0 |
| 1981 | Indianapolis | Clay | SF | Ivan Lendl | 6-3 7-5 |
| 1981 | Nations Cup | Clay | RR | Ivan Lendl | 7-5 6-4 |
| 1981 | Masters | Carpet | RR | Ivan Lendl | 7-5 6-4 |
| 1980 | Barcelona | Clay | F | Ivan Lendl | 6-4 5-7 6-4 4-6 6-1 |
| 1980 | Davis Cup WG SF: ARG vs TCH | Clay | RR | Ivan Lendl | 7-5 8-6 9-7 |
| 1980 | Kitzbuhel | Clay | F | Guillermo Vilas | 6-3 6-2 6-2 |
| 1980 | Hamburg | Clay | SF | Guillermo Vilas | 6-4 6-3 6-1 |
| 1980 | Nations Cup | Clay | RR | Guillermo Vilas | 6-2 2-6 6-3 |
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.