Head to head
2
Grass
0
Sam Querrey's wins on the left · Danai Udomchoke's on the right · bar lengths share one scale
All meetings (2)
| 2009 | Wimbledon | Grass | R128 | Sam Querrey | 6-3 6-4 6-4 |
| 2006 | Newport | Grass | R32 | Sam Querrey | 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.