Head to head
1
Hard
0
1
Clay
0
Hernan Gumy's wins on the left · Daniel Vacek's on the right · bar lengths share one scale
All meetings (2)
| 2000 | Munich | Clay | R32 | Hernan Gumy | 6-0 6-4 |
| 1998 | New Haven | Hard | R64 | Hernan Gumy | 5-3 RET |
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.