Marco Chiudinelli defeated Nikolay Davydenko 6-4 5-7 6-4 in the Dubai round of 32 on hard. The upset overturned the form book — Nikolay Davydenko came in leading the head-to-head 2–0, defending last year's round of 16. Marco Chiudinelli claimed a first win over Nikolay Davydenko in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-01-04 | Doha | R16 | hard | Nikolay Davydenko | 6-3 6-4 |
| 2009-08-31 | US Open | R32 | hard | Nikolay Davydenko | 6-4 7-5 7-5 |
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 (176 vs 106). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About