Head to head
0
Hard
2
1
Grass
1
1
Carpet
2
Sherwood Stewart's wins on the left · Victor Amaya's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1979 | Australian Open | Grass | R64 | Victor Amaya | 6-3 6-4 6-1 |
| 1979 | Maui | Hard | R32 | Victor Amaya | 6-3 6-1 |
| 1979 | Los Angeles | Carpet | R32 | Victor Amaya | 6-3 6-4 |
| 1979 | Lafayette | Carpet | R32 | Victor Amaya | 6-2 6-4 |
| 1979 | Rancho Mirage | Hard | R64 | Victor Amaya | 6-4 6-1 |
| 1978 | Sydney-2 | Grass | R16 | Sherwood Stewart | 6-7 7-6 6-4 |
| 1977 | Los Angeles-1 | Carpet | R64 | Sherwood Stewart | 6-4 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.