Head to head
0
Hard
1
0
Clay
2
1
Carpet
0
Sammy Giammalva Jr.'s wins on the left · Jay Berger's on the right · bar lengths share one scale
All meetings (4)
| 1989 | Montreal | Hard | R16 | Jay Berger | 6-3 7-5 |
| 1988 | Charleston | Clay | R16 | Jay Berger | 6-7 7-5 6-0 |
| 1987 | San Francisco | Carpet | R16 | Sammy Giammalva Jr. | 7-6 6-3 |
| 1987 | Forest Hills | Clay | R32 | Jay Berger | 6-4 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.