Head to head
2
Clay
0
Jairo Velasco Sr.'s wins on the left · Jim Osborne's on the right · bar lengths share one scale
All meetings (2)
| 1972 | Toronto-2 | Clay | R32 | Jairo Velasco Sr. | 6-3 5-7 7-5 |
| 1972 | Cincinnati | Clay | R64 | Jairo Velasco Sr. | 6-3 2-6 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.