Diego Alvarez defeated Paolo Lorenzi 6-2 7-6 in the Italy 5 1 round of 32 on clay. The upset overturned the form book — Paolo Lorenzi came in leading the head-to-head 2–0. Diego Alvarez claimed a first win over Paolo Lorenzi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-23 | Italy 3 2 | SF | clay | Paolo Lorenzi | 7-5 6-0 |
| 2003-06-23 | Italy 3 3 | R16 | clay | Paolo Lorenzi | 6-0 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.