Head to head
3
Hard
0
1
Clay
0
1
Carpet
0
Nikolay Davydenko's wins on the left · Igor Kunitsyn's on the right · bar lengths share one scale
All meetings (5)
| 2009 | Shanghai Masters | Hard | R32 | Nikolay Davydenko | 6-4 6-2 |
| 2009 | Beijing | Hard | R32 | Nikolay Davydenko | 6-1 6-7(6) 6-2 |
| 2009 | Cincinnati Masters | Hard | R32 | Nikolay Davydenko | 6-2 1-6 6-3 |
| 2008 | Poertschach | Clay | SF | Nikolay Davydenko | 6-3 6-2 |
| 2004 | St. Petersburg | Carpet | R32 | Nikolay Davydenko | 6-4 6-7(5) 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.