Head to head
2
Clay
0
1
Carpet
0
Sammy Giammalva Jr.'s wins on the left · Sergio Casal's on the right · bar lengths share one scale
All meetings (3)
| 1987 | Hamburg | Clay | R64 | Sammy Giammalva Jr. | 6-4 6-3 |
| 1986 | Memphis | Carpet | R64 | Sammy Giammalva Jr. | 6-1 6-3 |
| 1983 | Gstaad | Clay | R32 | Sammy Giammalva Jr. | 6-2 6-7 6-0 |
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.