Matteo Colla defeated Horacio Zeballos 6-2 6-0 in the Italy F13 round of 16 on clay. The upset overturned the form book — Horacio Zeballos came in leading the head-to-head 1–0. Matteo Colla claimed a first win over Horacio Zeballos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-27 | Italy F19 | SF | clay | Horacio Zeballos | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.