Head to head
3
Hard
2
1
Grass
0
Sam Querrey's wins on the left · Alexandr Dolgopolov's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2016 | Washington | Hard | R16 | Sam Querrey | 7-6(5) 6-3 |
| 2015 | Tokyo | Hard | R32 | Sam Querrey | 7-6(5) 6-4 |
| 2015 | Nottingham | Grass | SF | Sam Querrey | 4-6 6-3 7-5 |
| 2012 | Winston-Salem | Hard | QF | Sam Querrey | 7-5 4-6 7-6(3) |
| 2012 | Washington | Hard | SF | Alexandr Dolgopolov | 6-4 6-4 |
| 2011 | Sydney | Hard | R16 | Alexandr Dolgopolov | 6-4 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.