Nikolay Davydenko defeated Stan Wawrinka 7-6 7-6 in the Basel round of 32 on hard. The upset overturned the form book — Stan Wawrinka came in defending last year's semi-final. Nikolay Davydenko extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-10 | Indian Wells Masters | R64 | hard | Stan Wawrinka | 3-6 7-6(5) 6-4 |
| 2009-05-25 | Roland Garros | R32 | clay | Nikolay Davydenko | 6-3 4-6 6-3 6-2 |
Averages from each player's recent completed matches (20 vs 19). ATP, WTA & Challenger.