Head to head
2
Hard
3
1
Grass
0
Ernests Gulbis's wins on the left · Juan Martin del Potro's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2017 | Wimbledon | Grass | R64 | Ernests Gulbis | 6-4 6-4 7-6(3) |
| 2014 | Rotterdam | Hard | QF | Ernests Gulbis | 6-3 6-4 |
| 2013 | Rotterdam | Hard | R16 | Juan Martin del Potro | 7-6(5) 6-3 |
| 2011 | Los Angeles | Hard | QF | Ernests Gulbis | 6-2 6-4 |
| 2009 | Memphis | Hard | R16 | Juan Martin del Potro | 6-3 6-4 |
| 2009 | Auckland | Hard | R16 | Juan Martin del Potro | 4-6 6-4 6-1 |
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.