Gustavo Marcaccio defeated Patricio Arquez 7-6 4-6 6-4 in the Argentina F10 round of 16 on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 2–1, but Gustavo Marcaccio had been the form player, winning 6 of their last 10 on clay. Gustavo Marcaccio narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-10-07 | Chile F5 | QF | clay | Gustavo Marcaccio | 6-4 6-1 |
| 2000-09-04 | Peru F2 | R16 | clay | Patricio Arquez | 6-2 6-2 |
| 2000-06-12 | Argentina 1 | QF | clay | Patricio Arquez | 6-3 6-2 |
Averages over each player's completed matches in the selected window (5 vs 1). 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. Small sample — read as indicative. About