Head to head
1
Clay
2
Sergio Casal's wins on the left · Guillermo Vilas's on the right · bar lengths share one scale
All meetings (3)
| 1987 | World Team Cup | Clay | RR | Guillermo Vilas | 7-5 6-4 |
| 1986 | Hamburg | Clay | R32 | Sergio Casal | 6-3 6-4 |
| 1983 | Kitzbuhel | Clay | SF | Guillermo Vilas | 6-1 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.