Head to head
All meetings (3)
| 1973 | Davis Cup SAM PR: COL vs VEN | RR | Jairo Velasco Sr. | 6-3 6-1 6-2 | |
| 1973 | Davis Cup SAM PR: COL vs VEN | RR | Jairo Velasco Sr. | 6-3 6-1 6-2 | |
| 1969 | Davis Cup SAM QF: VEN vs COL | RR | Jairo Velasco Sr. | 6-2 6-3 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.