Head to head
1
Hard
2
0
Clay
1
1
Grass
0
Denis Istomin's wins on the left · Fernando Verdasco's on the right · bar lengths share one scale
All meetings (5)
| 2013 | Sydney | Hard | R16 | Denis Istomin | 6-3 6-3 |
| 2012 | London Olympics | Grass | R64 | Denis Istomin | 6-4 7-6(9) |
| 2012 | Madrid Masters | Clay | R64 | Fernando Verdasco | 7-5 6-2 |
| 2011 | San Jose | Hard | QF | Fernando Verdasco | 6-4 6-4 |
| 2010 | San Jose | Hard | SF | Fernando Verdasco | 6-3 2-6 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.