Head to head
1
Clay
1
Jairo Velasco Sr.'s wins on the left · Patricio Cornejo's on the right · bar lengths share one scale
All meetings (4)
| 1975 | Hamburg | Clay | R64 | Patricio Cornejo | 7-6 6-3 |
| 1972 | Toronto-2 | Clay | R16 | Jairo Velasco Sr. | 6-3 6-2 |
| 1972 | Davis Cup SAM SF: CHI vs COL | RR | Patricio Cornejo | 6-3 6-4 9-7 | |
| 1971 | Davis Cup SAM QF: COL vs CHI | RR | Jairo Velasco Sr. | 6-8 1-6 6-4 8-6 6-1 |
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.