Head to head
1
Hard
0
2
Clay
0
Nikolay Davydenko's wins on the left · Denis Istomin's on the right · bar lengths share one scale
All meetings (3)
| 2013 | Roland Garros | Clay | R64 | Nikolay Davydenko | 6-4 7-5 6-2 |
| 2012 | Kuala Lumpur | Hard | R16 | Nikolay Davydenko | 7-5 6-4 |
| 2012 | Nice | Clay | R16 | Nikolay Davydenko | 6-4 1-6 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.