Head to head
1
Clay
1
Alejandro Pierola's wins on the left · Jairo Velasco Sr.'s on the right · bar lengths share one scale
All meetings (2)
| 1980 | Barcelona | Clay | R64 | Jairo Velasco Sr. | 6-2 6-2 |
| 1976 | Barcelona-3 | Clay | R64 | Alejandro Pierola | 6-4 7-5 |
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.