Maximo Gonzalez defeated Diego Hartfield 6-3 6-7 6-4 in the Argentina F4 semi-final on clay. The upset overturned the form book — Diego Hartfield came in leading the head-to-head 2–1, but Maximo Gonzalez had been the form player, winning 6 of their last 9 on clay. Maximo Gonzalez narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-17 | Uruguay F2 | QF | clay | Maximo Gonzalez | 6-2 6-3 |
| 2001-10-15 | Paraguay F2 | R16 | clay | Diego Hartfield | 7-5 3-6 6-4 |
| 2001-09-03 | Argentina F10 | QF | clay | Diego Hartfield | 3-6 6-2 7-5 |
Averages over each player's completed matches in the selected window (200 vs 42). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About