Head to head
2
Hard
1
1
Clay
0
Sam Querrey's wins on the left · Igor Andreev's on the right · bar lengths share one scale
All meetings (4)
| 2012 | Washington | Hard | R32 | Sam Querrey | 7-6(2) 6-7(2) 7-6(3) |
| 2010 | Belgrade | Clay | QF | Sam Querrey | 6-3 2-6 6-4 |
| 2008 | Beijing Olympics | Hard | R64 | Igor Andreev | 6-4 6-4 |
| 2007 | Miami Masters | Hard | R128 | Sam Querrey | 5-7 6-2 6-4 |
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.