Radim Zitko defeated Giancarlo Petrazzuolo 4-6 6-2 6-4 in the Austria F3 round of 32 on carpet. The upset overturned the form book — Giancarlo Petrazzuolo came in leading the head-to-head 1–0. Radim Zitko claimed a first win over Giancarlo Petrazzuolo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-02-21 | Italy F1 | R16 | hard | Giancarlo Petrazzuolo | 1-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.