Igor Zelenay defeated Matteo Colla 6-4 6-2 in the Italy F4 round of 16 on clay. The upset overturned the form book — Matteo Colla came in leading the head-to-head 1–0, but Igor Zelenay had been the form player, winning 1 of their last 6 on clay. Igor Zelenay claimed a first win over Matteo Colla in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-02-19 | Croatia F2 | R16 | hard | Matteo Colla | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.