Head to head
1
Hard
1
1
Clay
0
David Nalbandian's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (3)
| 2012 | Sao Paulo | Clay | R16 | David Nalbandian | 6-3 6-2 |
| 2010 | Montpellier | Hard | R16 | Gilles Simon | 3-6 7-6(5) 7-5 |
| 2010 | Washington | Hard | QF | David Nalbandian | 3-6 6-2 6-3 |
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.