Agustin Calleri defeated Mariano Zabaleta 6-4 6-2 in the Vienna round of 32 on hard. The result followed the form book — Agustin Calleri came in leading the head-to-head 3–1, defending last year's round of 16. Agustin Calleri extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-28 | Roland Garros | R128 | clay | Mariano Zabaleta | 6-4 6-7(5) 7-6(5) 7-5 |
| 2003-05-12 | Hamburg Masters | R16 | clay | Agustin Calleri | 6-3 6-0 |
| 2003-02-24 | Acapulco | F | hard | Agustin Calleri | 7-5 3-6 6-3 |
| 2002-02-18 | Buenos Aires | QF | clay | Agustin Calleri | 6-4 4-6 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 166). ATP, WTA & Challenger.