Head to head
2
Hard
0
1
Grass
0
Sammy Giammalva Jr.'s wins on the left · John Lloyd's on the right · bar lengths share one scale
All meetings (3)
| 1984 | Sydney-2 | Grass | R32 | Sammy Giammalva Jr. | 6-2 6-1 |
| 1984 | Livingston | Hard | R16 | Sammy Giammalva Jr. | 6-2 6-0 |
| 1981 | Napa | Hard | R16 | Sammy Giammalva Jr. | 7-6 6-3 |
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.