Head to head
3
Clay
2
Hernan Gumy's wins on the left · Alex Calatrava's on the right · bar lengths share one scale
All meetings (5)
| 2000 | Bucharest | Clay | R32 | Alex Calatrava | 6-3 6-1 |
| 1999 | Mallorca | Clay | R32 | Hernan Gumy | 7-6(15) 4-6 7-5 |
| 1999 | San Marino | Clay | R32 | Hernan Gumy | 6-4 6-1 |
| 1998 | Orlando | Clay | R16 | Alex Calatrava | 4-6 7-6(5) RET |
| 1995 | Valencia | Clay | R32 | Hernan Gumy | 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.