Head to head
3
Hard
1
Denis Istomin's wins on the left · Michael Russell's on the right · bar lengths share one scale
All meetings (4)
| 2013 | Memphis | Hard | QF | Denis Istomin | 6-4 7-6(5) |
| 2012 | San Jose | Hard | R16 | Denis Istomin | 6-2 6-2 |
| 2011 | San Jose | Hard | R16 | Denis Istomin | 7-6(7) 7-6(4) |
| 2010 | Miami Masters | Hard | R128 | Michael Russell | 7-6(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.