Horacio Zeballos defeated Matteo Colla 6-1 6-2 in the Italy F19 semi-final on clay. The upset overturned the form book — Matteo Colla came in leading the head-to-head 1–0. Horacio Zeballos claimed a first win over Matteo Colla in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-21 | Italy F13 | R16 | clay | Matteo Colla | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.