Head to head
1
Clay
0
Jairo Velasco Sr.'s wins on the left · Per Hjertquist's on the right · bar lengths share one scale
All meetings (1)
| 1980 | Madrid | Clay | R32 | Jairo Velasco Sr. | 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.