Head to head
0
Hard
1
1
Clay
0
2
Grass
1
1
Carpet
0
Guillermo Vilas's wins on the left · Ross Case's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1977 | Queen's Club | Grass | R32 | Ross Case | 4-6 8-6 6-4 |
| 1977 | Baltimore | Carpet | QF | Guillermo Vilas | 7-5 6-3 |
| 1977 | Australian Open-1 | Grass | QF | Guillermo Vilas | 6-4 7-5 1-6 6-3 |
| 1976 | Sydney-2 | Grass | QF | Guillermo Vilas | 6-3 4-6 9-7 |
| 1976 | US Open | Clay | R64 | Guillermo Vilas | 6-2 6-4 |
| 1976 | Johannesburg WCT | Hard | QF | Ross Case | 4-6 7-6 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.