Head to head
2
Hard
0
0
Clay
1
Jairo Velasco Sr.'s wins on the left · Jose A. Moreno's on the right · bar lengths share one scale
All meetings (3)
| 1974 | Barcelona-2 | Clay | R64 | Jose A. Moreno | 4-6 8-6 6-2 |
| 1974 | Tempe | Hard | R32 | Jairo Velasco Sr. | 6-4 6-3 |
| 1974 | Calgary | Hard | R32 | Jairo Velasco Sr. | 6-2 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.