Head to head
1
Hard
0
1
Clay
0
Guillermo Vilas's wins on the left · Hans Kary's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Johannesburg-1 | Hard | R32 | Guillermo Vilas | 7-6 4-6 6-3 |
| 1973 | Buenos Aires | Clay | R16 | Guillermo Vilas | 6-2 6-1 |
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.