Head to head
5
Clay
1
0
Carpet
1
Gaston Gaudio's wins on the left · Nikolay Davydenko's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2006 | Roland Garros | Clay | R16 | Nikolay Davydenko | 6-3 6-4 3-6 6-3 |
| 2005 | Masters Cup | Carpet | RR | Nikolay Davydenko | 6-3 6-4 |
| 2005 | Stuttgart | Clay | SF | Gaston Gaudio | 6-3 2-1 RET |
| 2004 | Kitzbuhel | Clay | R16 | Gaston Gaudio | 6-3 6-3 |
| 2004 | Bastad | Clay | R32 | Gaston Gaudio | 6-3 6-1 |
| 2003 | Davis Cup WG QF: ARG vs RUS | Clay | RR | Gaston Gaudio | 7-6(4) 6-3 |
| 2002 | Amersfoort | Clay | R32 | Gaston Gaudio | 6-1 1-6 6-1 |
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.