Head to head
1
Hard
1
1
Clay
0
2
Grass
0
Sam Querrey's wins on the left · Sergiy Stakhovsky's on the right · bar lengths share one scale
All meetings (5)
| 2018 | Wimbledon | Grass | R64 | Sam Querrey | 7-6(4) 6-3 6-3 |
| 2015 | Indian Wells Masters | Hard | R128 | Sergiy Stakhovsky | 2-6 6-4 6-2 |
| 2014 | Miami Masters | Hard | R128 | Sam Querrey | 7-6(2) 6-3 |
| 2013 | Nice | Clay | R16 | Sam Querrey | 7-5 6-3 |
| 2010 | Wimbledon | Grass | R128 | Sam Querrey | 7-6(4) 6-3 2-1 RET |
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.