Head to head
1
Clay
2
Oscar Hernandez's wins on the left · Martin Vassallo Arguello's on the right · bar lengths share one scale
All meetings (3)
| 2009 | Madrid Masters | Clay | R64 | Oscar Hernandez | 6-3 6-3 |
| 2009 | Vina del Mar | Clay | R32 | Martin Vassallo Arguello | 6-3 7-6(1) |
| 2006 | Palermo | Clay | R16 | Martin Vassallo Arguello | 2-6 6-4 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.