Head to head
1
Hard
0
1
Grass
0
Nikolay Davydenko's wins on the left · Chris Guccione's on the right · bar lengths share one scale
All meetings (2)
| 2008 | St. Petersburg | Hard | R32 | Nikolay Davydenko | 6-4 6-4 |
| 2007 | Wimbledon | Grass | R64 | Nikolay Davydenko | 3-6 5-7 7-6(5) 6-4 6-2 |
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.