Head to head
4
Clay
0
Victor Pecci's wins on the left · Jairo Velasco Sr.'s on the right · bar lengths share one scale
All meetings (4)
| 1979 | Bogota | Clay | F | Victor Pecci | 6-3 6-4 |
| 1978 | Bogota | Clay | QF | Victor Pecci | 2-6 6-2 6-2 |
| 1977 | Buenos Aires-2 | Clay | R32 | Victor Pecci | 4-6 6-2 6-3 |
| 1974 | Buenos Aires | Clay | R32 | Victor Pecci | 6-1 3-6 6-0 |
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.