Head to head
2
Hard
1
1
Grass
0
0
Carpet
2
Sammy Giammalva Jr.'s wins on the left · Scott Davis's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1987 | Newport | Grass | R32 | Sammy Giammalva Jr. | 6-1 6-2 |
| 1987 | Chicago | Carpet | R16 | Scott Davis | 2-6 6-3 6-2 |
| 1985 | Tokyo-1 | Hard | QF | Scott Davis | 6-4 6-2 |
| 1985 | Fort Myers | Hard | QF | Sammy Giammalva Jr. | 6-2 6-3 |
| 1984 | Philadelphia | Carpet | R32 | Scott Davis | 7-5 2-6 6-4 |
| 1981 | Napa | Hard | F | Sammy Giammalva Jr. | 6-3 5-7 6-1 |
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.