Head to head
1
Clay
0
Jairo Velasco Sr.'s wins on the left · Jose Edison Mandarino's on the right · bar lengths share one scale
All meetings (3)
| 1970 | Davis Cup SAM F: BRA vs COL | RR | Jose Edison Mandarino | 4-6 8-6 6-3 6-2 | |
| 1969 | Davis Cup SAM SF: COL vs BRA | RR | Jairo Velasco Sr. | 6-2 6-1 6-3 | |
| 1969 | Barranquilla | Clay | R16 | Jairo Velasco Sr. | 10-8 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.