Head to head
1
Hard
1
0
Carpet
1
Stan Smith's wins on the left · John Sadri's on the right · bar lengths share one scale
All meetings (3)
| 1983 | US Open | Hard | R128 | John Sadri | 7-6 6-3 7-5 |
| 1981 | US Open | Hard | R128 | Stan Smith | 5-7 6-7 7-5 6-4 7-6 |
| 1980 | Philadelphia WCT | Carpet | R16 | John Sadri | 7-6 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.