Head to head
1
Hard
0
3
Clay
0
Jairo Velasco Sr.'s wins on the left · John Feaver's on the right · bar lengths share one scale
All meetings (4)
| 1980 | Madrid | Clay | R64 | Jairo Velasco Sr. | 6-3 6-3 |
| 1976 | Florence | Clay | R32 | Jairo Velasco Sr. | 6-3 6-3 |
| 1974 | Madrid | Clay | R64 | Jairo Velasco Sr. | 6-4 7-6 |
| 1974 | Calgary | Hard | R16 | Jairo Velasco Sr. | 6-3 6-4 |
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.