Head to head
Rivalry summary
Sammy Giammalva Jr. and Givaldo Barbosa met 2 times on the ATP tour between 1983 and 1983. Sammy Giammalva Jr. leads the head-to-head 2–0 against Givaldo Barbosa. By surface, Jr. leads 2–0 on clay.
2
Clay
0
Sammy Giammalva Jr.'s wins on the left · Givaldo Barbosa's on the right · bar lengths share one scale
All meetings (2)
| 1983 | Kitzbuhel | Clay | R32 | Sammy Giammalva Jr. | 1-6 6-2 6-4 |
| 1983 | Gstaad | Clay | R16 | Sammy Giammalva Jr. | 6-2 6-2 |
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.