Head to head
1
Hard
0
2
Clay
0
0
Grass
1
Guillermo Vilas's wins on the left · Erik Van Dillen's on the right · bar lengths share one scale
All meetings (4)
| 1981 | Washington | Clay | R16 | Guillermo Vilas | 6-1 6-3 |
| 1979 | US Open | Hard | R32 | Guillermo Vilas | 2-6 7-5 6-7 6-2 6-1 |
| 1976 | Louisville | Clay | R32 | Guillermo Vilas | 6-4 6-4 |
| 1974 | Wimbledon | Grass | R32 | Erik Van Dillen | 6-3 6-4 1-6 7-5 |
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.