Head to head
0
Hard
1
1
Clay
2
Heinz Gunthardt's wins on the left · Guillermo Vilas's on the right · bar lengths share one scale
All meetings (4)
| 1984 | Roland Garros | Clay | R128 | Heinz Gunthardt | 4-6 6-4 7-6 7-6 |
| 1982 | Gstaad | Clay | QF | Guillermo Vilas | 4-6 6-4 7-5 |
| 1979 | Stuttgart-1 | Hard | SF | Guillermo Vilas | 7-6 7-5 |
| 1978 | Gstaad | Clay | QF | Guillermo Vilas | 6-3 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.