Head to head
1
Hard
0
1
Clay
0
0
Grass
1
1
Carpet
0
John Sadri's wins on the left · Tim Wilkison's on the right · bar lengths share one scale
All meetings (4)
| 1982 | Forest Hills WCT | Clay | R16 | John Sadri | 7-6 6-3 |
| 1981 | Newport | Grass | R16 | Tim Wilkison | 7-6 6-4 |
| 1980 | Washington-1 | Carpet | R16 | John Sadri | 6-2 6-1 |
| 1980 | Auckland | Hard | F | John Sadri | 6-4 3-6 6-3 6-4 |
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.