Head to head
1
Hard
3
Sam Querrey's wins on the left · Juan Martin del Potro's on the right · bar lengths share one scale
All meetings (4)
| 2017 | Delray Beach | Hard | QF | Juan Martin del Potro | 7-5 7-5 |
| 2016 | Delray Beach | Hard | SF | Sam Querrey | 7-5 7-5 |
| 2011 | Valencia | Hard | QF | Juan Martin del Potro | 6-2 7-5 |
| 2009 | Auckland | Hard | F | Juan Martin del Potro | 6-4 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.