Head to head
2
Hard
0
2
Clay
0
1
Grass
0
Guillermo Vilas's wins on the left · Marty Riessen's on the right · bar lengths share one scale
All meetings (5)
| 1979 | Washington-2 | Clay | R16 | Guillermo Vilas | 6-1 6-3 |
| 1977 | Palm Springs | Hard | R64 | Guillermo Vilas | 6-4 6-2 |
| 1976 | Johannesburg WCT | Hard | R16 | Guillermo Vilas | 3-6 6-1 6-1 |
| 1974 | Washington-2 | Clay | SF | Guillermo Vilas | 6-3 6-0 |
| 1974 | Wimbledon | Grass | R64 | Guillermo Vilas | 7-9 6-1 6-4 3-6 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.