Head to head
1
Hard
1
Mike Cahill's wins on the left · John Sadri's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Cincinnati | Hard | R64 | John Sadri | 6-3 7-6 |
| 1978 | Cleveland | Hard | R32 | Mike Cahill | 4-6 6-4 6-3 |
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.