Head to head
0
Hard
1
3
Clay
0
Ruben Ramirez Hidalgo's wins on the left · Gaston Gaudio's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Umag | Clay | R32 | Ruben Ramirez Hidalgo | 6-0 6-4 |
| 2007 | Miami Masters | Hard | R128 | Gaston Gaudio | 7-5 1-6 6-3 |
| 2007 | Buenos Aires | Clay | RR | Ruben Ramirez Hidalgo | 6-1 6-1 |
| 2006 | Vina del Mar | Clay | R16 | Ruben Ramirez Hidalgo | 6-7(6) 6-1 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.