Head to head
1
Hard
0
7
Clay
2
Guillermo Vilas's wins on the left · Hans Gildemeister's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 1982 | Carlsbad WCT | Hard | R16 | Guillermo Vilas | 6-7 6-2 6-4 |
| 1981 | North Conway | Clay | R16 | Guillermo Vilas | 7-6 6-4 |
| 1980 | Madrid | Clay | SF | Guillermo Vilas | 7-5 3-6 6-1 |
| 1979 | Davis Cup SAM F: ARG vs CHI | Clay | RR | Hans Gildemeister | 2-6 6-1 1-6 7-5 1-2 RET |
| 1978 | Roland Garros | Clay | QF | Guillermo Vilas | 6-4 2-6 6-1 3-6 6-3 |
| 1978 | Davis Cup SAM F: CHI vs ARG | Clay | RR | Hans Gildemeister | 9-7 6-3 3-6 6-4 |
| 1977 | Buenos Aires-2 | Clay | SF | Guillermo Vilas | 7-6 6-4 |
| 1977 | Paris-1 | Clay | QF | Guillermo Vilas | 6-1 6-2 |
| 1977 | Nice | Clay | QF | Guillermo Vilas | 6-0 7-6 |
| 1975 | US Open | Clay | R128 | Guillermo Vilas | 6-2 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.