Head to head
1
Clay
1
1
Grass
0
Jim Osborne's wins on the left · Patricio Cornejo's on the right · bar lengths share one scale
All meetings (3)
| 1970 | South Orange | Grass | R64 | Jim Osborne | 6-2 6-4 |
| 1970 | Indianapolis | Clay | R64 | Patricio Cornejo | 6-4 11-9 |
| 1969 | Washington | Clay | R32 | Jim Osborne | 6-4 6-2 |
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.