Horacio Zeballos defeated Maximo Gonzalez 6-2 7-6 in the Buenos Aires CH round of 16 on clay. The upset overturned the form book — Maximo Gonzalez came in leading the head-to-head 4–0, defending last year's quarter-final. Horacio Zeballos claimed a first win over Maximo Gonzalez in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-02-20 | Acapulco | QF | hard | Maximo Gonzalez | 6-3 6-1 |
| 2010-08-22 | New Haven | R64 | hard | Maximo Gonzalez | 6-3 6-4 |
| 2005-09-12 | Argentina F11 | SF | clay | Maximo Gonzalez | 6-4 6-3 |
| 2004-07-05 | Italy F15 | R32 | clay | Maximo Gonzalez | 6-4 2-6 6-3 |
Averages over each player's completed matches in the selected window (89 vs 48). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About