Emiliano Redondi defeated Diego Hartfield 6-3 6-4 in the Bolivia F1 round of 32 on clay. The upset overturned the form book — Diego Hartfield came in leading the head-to-head 4–0, but Emiliano Redondi had been the form player, winning 6 of their last 10 on clay. Emiliano Redondi claimed a first win over Diego Hartfield in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-25 | Chile F2 | R32 | clay | Diego Hartfield | 6-4 6-3 |
| 2004-09-13 | Argentina F6 | R16 | clay | Diego Hartfield | 6-2 7-6(7) |
| 2003-10-20 | Argentina F4 | R32 | clay | Diego Hartfield | 6-3 7-5 |
| 2003-10-06 | Chile F5 | QF | clay | Diego Hartfield | 6-4 7-6(1) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.