Rodolfo Daruich defeated Horacio Zeballos 6-3 6-4 in the Argentina F7 qualifying round on clay. The upset overturned the form book — Horacio Zeballos came in leading the head-to-head 1–0. Rodolfo Daruich claimed a first win over Horacio Zeballos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-15 | Argentina F7 | QF | clay | Horacio Zeballos | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.