Head to head
1
Clay
5
Jairo Velasco Sr.'s wins on the left · Hans Kary's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1980 | Kitzbuhel | Clay | R16 | Hans Kary | 5-7 6-4 6-1 |
| 1978 | Bournemouth | Clay | R32 | Jairo Velasco Sr. | 3-6 6-1 6-3 |
| 1976 | Buenos Aires | Clay | R32 | Hans Kary | 6-1 6-4 |
| 1975 | Madrid-2 | Clay | R64 | Hans Kary | 7-5 3-6 6-4 |
| 1975 | Toronto-2 | Clay | R64 | Hans Kary | 7-5 0-6 7-6 |
| 1975 | Dusseldorf-2 | Clay | R32 | Hans Kary | 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.