Miguel Miranda defeated Patricio Arquez 6-3 2-6 6-2 in the Argentina 4 semi-final on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 4–0, but Miguel Miranda had been the form player, winning 4 of their last 8 on clay. Miguel Miranda claimed a first win over Patricio Arquez in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-18 | Bolivia F1 | F | clay | Patricio Arquez | 6-3 7-6(4) |
| 2000-06-12 | Argentina 1 | R16 | clay | Patricio Arquez | 7-5 6-3 |
| 2000-05-15 | Argentina F5 | R32 | clay | Patricio Arquez | 3-6 7-5 6-4 |
| 1999-11-29 | Chile F6 | R32 | clay | Patricio Arquez | 7-6 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.