Head to head
2
Hard
1
1
Clay
1
Juan Martin del Potro's wins on the left · Florian Mayer's on the right · bar lengths share one scale
All meetings (5)
| 2012 | Madrid Masters | Clay | R64 | Juan Martin del Potro | 6-4 6-2 |
| 2011 | Sydney | Hard | R16 | Florian Mayer | 6-2 7-5 |
| 2010 | Australian Open | Hard | R32 | Juan Martin del Potro | 6-3 0-6 6-4 7-5 |
| 2009 | Australian Open | Hard | R64 | Juan Martin del Potro | 6-1 7-5 6-2 |
| 2006 | Stuttgart | Clay | R16 | Florian Mayer | 6-1 6-0 |
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.