Head to head
2
Hard
0
Sam Querrey's wins on the left · Jared Donaldson's on the right · bar lengths share one scale
All meetings (2)
| 2017 | Delray Beach | Hard | R16 | Sam Querrey | 6-2 6-3 |
| 2015 | Memphis | Hard | R16 | Sam Querrey | 6-4 6-1 |
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.