Head to head
2
Hard
1
0
Clay
1
1
Grass
0
Sam Querrey's wins on the left · Santiago Giraldo's on the right · bar lengths share one scale
All meetings (5)
| 2016 | Los Cabos | Hard | R16 | Santiago Giraldo | 7-6(1) 6-3 |
| 2015 | Nottingham | Grass | R32 | Sam Querrey | 7-6(4) 6-4 |
| 2014 | Australian Open | Hard | R128 | Sam Querrey | 6-3 6-2 3-6 7-6(3) |
| 2012 | Winston-Salem | Hard | R32 | Sam Querrey | 6-3 6-2 |
| 2010 | Davis Cup WG PO: COL vs USA | Clay | RR | Santiago Giraldo | 6-2 6-4 7-5 |
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.