Head to head
3
Hard
0
2
Clay
0
Nikolay Davydenko's wins on the left · Agustin Calleri's on the right · bar lengths share one scale
All meetings (5)
| 2008 | US Open | Hard | R64 | Nikolay Davydenko | 6-4 6-4 7-6(2) |
| 2006 | New Haven | Hard | F | Nikolay Davydenko | 6-4 6-3 |
| 2006 | Bastad | Clay | SF | Nikolay Davydenko | 6-3 6-3 |
| 2006 | Sydney | Hard | R16 | Nikolay Davydenko | 6-4 7-6(4) |
| 2003 | Estoril | Clay | F | Nikolay Davydenko | 6-4 6-3 |
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.