Head to head
0
Hard
5
1
Clay
2
Ivo Karlovic'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 (8)
| 2012 | Metz | Hard | QF | Nikolay Davydenko | 6-7(5) 7-6(6) 6-0 |
| 2012 | Madrid Masters | Clay | R64 | Nikolay Davydenko | 7-6(4) 6-3 |
| 2011 | Doha | Hard | QF | Nikolay Davydenko | 6-3 7-5 |
| 2010 | Doha | Hard | QF | Nikolay Davydenko | 7-6(4) 7-6(7) |
| 2009 | Monte Carlo Masters | Clay | R32 | Nikolay Davydenko | 6-4 6-3 |
| 2006 | Barcelona | Clay | R32 | Ivo Karlovic | 6-7(7) 7-5 6-4 |
| 2006 | Australian Open | Hard | R128 | Nikolay Davydenko | 7-5 4-6 3-6 7-5 6-3 |
| 2005 | Doha | Hard | R32 | Nikolay Davydenko | 7-6(7) 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.