Head to head
4
Hard
4
1
Clay
1
0
Grass
1
Sam Querrey's wins on the left · Feliciano Lopez's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2018 | Indian Wells Masters | Hard | R16 | Sam Querrey | 6-3 6-4 |
| 2018 | Australian Open | Hard | R128 | Sam Querrey | 6-3 6-4 6-2 |
| 2015 | Houston | Clay | QF | Sam Querrey | 6-4 6-1 |
| 2014 | Paris Masters | Hard | R32 | Feliciano Lopez | 6-4 6-4 |
| 2014 | Eastbourne | Grass | SF | Feliciano Lopez | 6-4 7-6(4) |
| 2014 | Delray Beach | Hard | R32 | Feliciano Lopez | 4-6 6-2 6-3 |
| 2012 | Valencia | Hard | R32 | Sam Querrey | 6-3 7-6(4) |
| 2012 | Beijing | Hard | QF | Feliciano Lopez | 4-6 6-4 6-4 |
| 2012 | Winston-Salem | Hard | R16 | Sam Querrey | 6-3 6-4 |
| 2009 | Miami Masters | Hard | R64 | Feliciano Lopez | 6-7(5) 7-5 6-2 |
| 2008 | Davis Cup WG SF: ESP vs USA | Clay | RR | Feliciano Lopez | 7-6(3) 7-6(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.