Head to head
0
Hard
1
2
Clay
1
Jim Osborne's wins on the left · Bob Carmichael's on the right · bar lengths share one scale
All meetings (4)
| 1970 | Berkeley | Hard | R32 | Bob Carmichael | 7-5 7-6 |
| 1970 | Charlotte | Clay | R16 | Bob Carmichael | 6-3 3-6 6-4 |
| 1969 | Indianapolis | Clay | R32 | Jim Osborne | 6-3 10-8 |
| 1969 | Cincinnati | Clay | R32 | Jim Osborne | 7-5 7-5 |
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.