Diego Hartfield defeated Luciano Vitullo 6-2 6-4 in the Argentina F4 round of 32 on clay. The upset overturned the form book — Luciano Vitullo came in leading the head-to-head 3–0, but Diego Hartfield had been the form player, winning 4 of their last 10 on clay. Diego Hartfield claimed a first win over Luciano Vitullo in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-08-12 | Brazil F1 | R16 | clay | Luciano Vitullo | 6-7(2) 6-3 6-3 |
| 2001-10-15 | Paraguay F2 | QF | clay | Luciano Vitullo | 6-4 6-2 |
| 2001-08-13 | Argentina F9 | R32 | clay | Luciano Vitullo | 0-6 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.