Head to head
1
Hard
0
1
Grass
0
1
Carpet
0
John Sadri's wins on the left · Butch Walts's on the right · bar lengths share one scale
All meetings (3)
| 1981 | San Francisco | Carpet | R64 | John Sadri | 7-6 3-6 6-3 |
| 1980 | Newport | Grass | QF | John Sadri | 6-1 6-4 |
| 1979 | Rancho Mirage | Hard | R64 | John Sadri | 6-7 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.