Head to head
2
Hard
2
1
Clay
0
Dmitry Tursunov's wins on the left · Sam Querrey's on the right · bar lengths share one scale
All meetings (5)
| 2014 | Roland Garros | Clay | R64 | Dmitry Tursunov | 6-4 7-5 6-1 |
| 2013 | Brisbane | Hard | R32 | Sam Querrey | 7-5 6-4 |
| 2008 | Australian Open | Hard | R64 | Sam Querrey | 7-6(5) 4-6 6-4 6-2 |
| 2007 | Indianapolis | Hard | SF | Dmitry Tursunov | 7-6(5) 6-2 |
| 2006 | Los Angeles | Hard | R16 | Dmitry Tursunov | 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.