Leandro Migani advanced when Juan Martin del Potro retired 6-4 in the Argentina F4 qualifying round. Leandro Migani claimed a first win over Juan Martin del Potro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-25 | Argentina F3 | R32 | clay | Juan Martin del Potro | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.