Head to head
0
Hard
1
0
Clay
1
2
Grass
0
Dustin Brown's wins on the left · Sam Querrey's on the right · bar lengths share one scale
All meetings (4)
| 2015 | Newport | Grass | R16 | Dustin Brown | 6-2 4-6 6-4 |
| 2014 | Houston | Clay | QF | Sam Querrey | 6-3 6-7(8) 6-3 |
| 2011 | Delray Beach | Hard | R32 | Sam Querrey | 6-3 5-7 6-3 |
| 2010 | Newport | Grass | R16 | Dustin Brown | 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.