Head to head
0
Hard
1
1
Clay
0
0
Carpet
1
Manuel Santana's wins on the left · Jim Osborne's on the right · bar lengths share one scale
All meetings (3)
| 1971 | New York | Carpet | R16 | Jim Osborne | 6-4 6-4 |
| 1970 | Houston | Clay | R16 | Manuel Santana | 6-3 11-9 |
| 1970 | Omaha | Hard | R16 | Jim Osborne | 23-23 RET |
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.