Head to head
0
Hard
1
3
Clay
0
0
Grass
2
1
Carpet
1
Guillermo Vilas's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1981 | Davis Cup WG F: USA vs ARG | Carpet | RR | Guillermo Vilas | 10-11 WEA |
| 1981 | US Open | Hard | R16 | Roscoe Tanner | 6-4 6-2 7-6 |
| 1980 | Richmond WCT | Carpet | SF | Roscoe Tanner | 6-3 3-6 6-4 |
| 1977 | South Orange | Clay | F | Guillermo Vilas | 6-4 6-1 |
| 1977 | Australian Open-1 | Grass | F | Roscoe Tanner | 6-3 6-3 6-3 |
| 1975 | Wimbledon | Grass | QF | Roscoe Tanner | 6-4 5-7 6-8 6-2 6-2 |
| 1974 | Louisville | Clay | R16 | Guillermo Vilas | 7-5 6-4 |
| 1972 | Cincinnati | Clay | R32 | Guillermo Vilas | 6-3 3-6 7-6 |
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.