Head to head
2
Clay
0
Jairo Velasco Sr.'s wins on the left · Don McCormick's on the right · bar lengths share one scale
All meetings (2)
| 1973 | Davis Cup G1 PR: COL vs CAN | Clay | RR | Jairo Velasco Sr. | 6-2 6-3 7-5 |
| 1972 | Toronto-2 | Clay | R64 | Jairo Velasco Sr. | 7-5 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.