Head to head
1
Hard
1
1
Carpet
0
Van Winitsky's wins on the left · Sammy Giammalva Jr.'s on the right · bar lengths share one scale
All meetings (3)
| 1984 | Tokyo-1 | Hard | R64 | Sammy Giammalva Jr. | 7-6 6-3 |
| 1983 | Dallas | Hard | R32 | Van Winitsky | 7-6 3-6 7-5 |
| 1982 | Monterrey | Carpet | R32 | Van Winitsky | 6-4 4-6 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.