Head to head
1
Hard
0
2
Clay
0
1
Carpet
0
Guillermo Vilas's wins on the left · Juan Gisbert Sr's on the right · bar lengths share one scale
All meetings (4)
| 1975 | Hamburg | Clay | R16 | Guillermo Vilas | 2-6 6-3 6-3 |
| 1974 | London-2 | Carpet | R16 | Guillermo Vilas | 6-3 6-0 |
| 1974 | Tehran | Clay | R16 | Guillermo Vilas | 6-3 6-2 |
| 1973 | Paris | Hard | R32 | Guillermo Vilas | 6-4 6-2 |
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.