Head to head
2
Hard
6
0
Clay
5
Marin Cilic'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 (13)
| 2018 | Roland Garros | Clay | QF | Juan Martin del Potro | 7-6(5) 5-7 6-3 7-5 |
| 2017 | Basel | Hard | SF | Juan Martin del Potro | 6-4 6-4 |
| 2016 | Davis Cup WG F: ARG vs CRO | Hard | RR | Juan Martin del Potro | 6-7(4) 2-6 7-5 6-4 6-3 |
| 2013 | Paris Masters | Hard | R32 | Juan Martin del Potro | 6-4 7-6(3) |
| 2012 | Roland Garros | Clay | R32 | Juan Martin del Potro | 6-3 7-6(7) 6-1 |
| 2012 | Madrid Masters | Clay | R16 | Juan Martin del Potro | 6-2 6-4 |
| 2012 | Davis Cup WG QF: ARG vs CRO | Clay | RR | Juan Martin del Potro | 6-1 6-2 6-1 |
| 2012 | Miami Masters | Hard | R32 | Juan Martin del Potro | 6-3 7-6(3) |
| 2011 | Canada Masters | Hard | R32 | Marin Cilic | 6-3 6-4 |
| 2011 | Madrid Masters | Clay | R32 | Juan Martin del Potro | 6-3 6-0 |
| 2010 | Australian Open | Hard | R16 | Marin Cilic | 5-7 6-4 7-5 5-7 6-3 |
| 2009 | US Open | Hard | QF | Juan Martin del Potro | 4-6 6-3 6-2 6-1 |
| 2009 | Australian Open | Hard | R16 | Juan Martin del Potro | 5-7 6-4 6-4 6-2 |
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.