Head to head
1
Hard
0
1
Grass
0
Sam Querrey's wins on the left · Stefan Kozlov's on the right · bar lengths share one scale
All meetings (2)
| 2017 | Cincinnati Masters | Hard | R64 | Sam Querrey | 6-3 6-0 |
| 2016 | 's-Hertogenbosch | Grass | QF | Sam Querrey | 6-3 6-0 |
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.