Juan Monaco defeated Nikolay Davydenko 6-2 6-7 6-4 in the Poertschach quarter-final on clay. The upset overturned the form book — Nikolay Davydenko came in leading the head-to-head 4–0, defending the title. Juan Monaco claimed a first win over Nikolay Davydenko in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-01-18 | Australian Open | R32 | hard | Nikolay Davydenko | 6-0 6-3 6-4 |
| 2009-11-02 | Valencia | R16 | hard | Nikolay Davydenko | 6-3 7-5 |
| 2008-05-18 | Poertschach | F | clay | Nikolay Davydenko | 6-2 2-6 6-2 |
| 2006-07-31 | Sopot | R16 | clay | Nikolay Davydenko | 7-5 6-7(7) 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About