Juan Martin del Potro defeated Leandro Migani 6-2 6-1 in the Argentina F3 round of 32 on clay. The upset overturned the form book — Leandro Migani came in leading the head-to-head 1–0, but Juan Martin del Potro had been the form player, winning 4 of their last 7 on clay. Juan Martin del Potro claimed a first win over Leandro Migani in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-02 | Argentina F4 | QF | clay | Leandro Migani | 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.