Head to head
1
Hard
0
1
Clay
0
0
Grass
1
1
Carpet
0
Guillermo Vilas's wins on the left · Kim Warwick's on the right · bar lengths share one scale
All meetings (4)
| 1980 | Australian Open | Grass | SF | Kim Warwick | 6-7 6-4 6-2 2-6 6-4 |
| 1979 | Sydney-1 | Hard | SF | Guillermo Vilas | 6-4 3-6 6-1 |
| 1976 | Sao Paulo WCT | Carpet | R16 | Guillermo Vilas | 6-2 6-4 |
| 1972 | Roland Garros | Clay | R128 | Guillermo Vilas | 6-3 6-0 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.