Edgardo Massa defeated Patricio Arquez 6-4 7-5 in the Bolivia F1 qualifying round on clay. The upset overturned the form book — Patricio Arquez came in leading the head-to-head 2–1, but Edgardo Massa had been the form player, winning 2 of their last 5 on clay. Edgardo Massa narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-10-16 | Paraguay F2 | F | clay | Edgardo Massa | 7-5 6-1 |
| 2000-06-12 | Argentina 4 | R32 | clay | Patricio Arquez | 1-6 6-1 6-4 |
| 1999-09-27 | Bolivia F2 | R32 | clay | Patricio Arquez | 6-4 6-2 |
Averages over each player's completed matches in the selected window (24 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