Nikolay Davydenko defeated Mariano Zabaleta 7-6 6-1 in the Adelaide quarter-final on hard. The result followed the form book — Nikolay Davydenko came in leading the head-to-head 2–1. Nikolay Davydenko extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-07-25 | Kitzbuhel | R32 | clay | Mariano Zabaleta | 6-4 7-6(5) |
| 2004-04-19 | Monte Carlo Masters | R64 | clay | Nikolay Davydenko | 6-2 6-4 |
| 2000-07-17 | Amsterdam | R32 | clay | Nikolay Davydenko | 3-6 6-2 7-6(7) |
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.