Head to head
1
Clay
1
Roberto Arguello's wins on the left · Jairo Velasco Sr.'s on the right · bar lengths share one scale
All meetings (2)
| 1983 | Barcelona | Clay | R64 | Jairo Velasco Sr. | 4-6 6-4 6-3 |
| 1983 | Venice | Clay | R16 | Roberto Arguello | 3-6 6-2 7-6 |
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.