Igor Andreev defeated Nikolay Davydenko 7-5 6-7 6-0 in the Bucharest round of 32 on clay. The upset overturned the form book — Nikolay Davydenko came in leading the head-to-head 3–1. Igor Andreev narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Kuala Lumpur | R16 | hard | Igor Andreev | 7-6(5) 5-7 6-3 |
| 2009-02-09 | Rotterdam | R32 | hard | Nikolay Davydenko | 6-3 6-2 |
| 2008-04-20 | Monte Carlo Masters | QF | clay | Nikolay Davydenko | 6-3 4-6 7-5 |
| 2007-10-08 | Moscow | QF | hard | Nikolay Davydenko | 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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About