Head to head
1
Hard
0
1
Carpet
1
Sammy Giammalva Jr.'s wins on the left · Matt Mitchell's on the right · bar lengths share one scale
All meetings (3)
| 1984 | Tokyo-1 | Hard | R32 | Sammy Giammalva Jr. | 4-6 6-3 7-5 |
| 1984 | Honolulu | Carpet | R32 | Sammy Giammalva Jr. | 6-2 6-2 |
| 1981 | San Francisco | Carpet | R64 | Matt Mitchell | 7-6 7-5 |
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.