David Nalbandian defeated Stan Wawrinka 6-2 7-6 6-4 in the Roland Garros round of 128 on clay. The upset overturned the form book — Stan Wawrinka came in leading the head-to-head 6–2, defending last year's round of 32, but David Nalbandian had been the form player, winning 4 of their last 6 on clay. David Nalbandian narrowed the head-to-head to 6–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-08 | Canada Masters | R64 | hard | Stan Wawrinka | 6-1 6-4 |
| 2010-08-01 | Washington | R32 | hard | David Nalbandian | 6-1 6-3 |
| 2008-04-28 | Barcelona | R16 | clay | Stan Wawrinka | 6-3 6-1 |
| 2007-10-22 | Basel | R32 | hard | Stan Wawrinka | 7-6(5) 6-2 |
| 2007-10-07 | Vienna | R16 | hard | Stan Wawrinka | 5-7 6-3 6-1 |
| 2006-10-23 | Basel | QF | hard | Stan Wawrinka | 7-6(7) 6-2 |
| 2006-08-14 | Cincinnati Masters | R32 | hard | Stan Wawrinka | 6-4 6-2 |
| 2006-01-16 | Australian Open | R64 | hard | David Nalbandian | 6-4 3-6 6-4 6-2 |
Averages from each player's recent completed matches (20 vs 19). ATP, WTA & Challenger.