Head to head
0
Hard
1
2
Clay
0
Jairo Velasco Sr.'s wins on the left · Milan Holecek's on the right · bar lengths share one scale
All meetings (3)
| 1974 | Louisville | Clay | R64 | Jairo Velasco Sr. | 6-0 6-4 |
| 1974 | Kitzbuhel | Clay | QF | Jairo Velasco Sr. | 4-6 7-6 8-6 |
| 1969 | Caracas | Hard | R32 | Milan Holecek | 6-4 6-3 |
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.