Nikolay Davydenko defeated Agustin Calleri 6-4 6-4 7-6 in the US Open round of 64 on hard. The result followed the form book — Nikolay Davydenko came in leading the head-to-head 4–0, defending last year's semi-final. Nikolay Davydenko extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-21 | New Haven | F | hard | Nikolay Davydenko | 6-4 6-3 |
| 2006-07-10 | Bastad | SF | clay | Nikolay Davydenko | 6-3 6-3 |
| 2006-01-09 | Sydney | R16 | hard | Nikolay Davydenko | 6-4 7-6(4) |
| 2003-04-07 | Estoril | F | clay | Nikolay Davydenko | 6-4 6-3 |
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 51). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About