Head to head
0
Hard
1
1
Grass
1
1
Carpet
0
John Sadri's wins on the left · Tom Gullikson's on the right · bar lengths share one scale
All meetings (4)
| 1985 | Newport | Grass | F | Tom Gullikson | 6-3 7-6 |
| 1984 | Australian Open | Grass | R32 | John Sadri | 4-6 3-6 7-6 6-2 6-4 |
| 1982 | Stowe | Hard | R32 | Tom Gullikson | 6-4 7-6 |
| 1982 | Philadelphia | Carpet | R32 | John Sadri | 4-6 7-6 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.