Leonardo Olguin defeated Roberto Alvarez 6-3 6-4 in the Paraguay F1 semi-final on clay. The upset overturned the form book — Roberto Alvarez came in leading the head-to-head 1–0, but Leonardo Olguin had been the form player, winning 5 of their last 8 on clay. Leonardo Olguin claimed a first win over Roberto Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-08-14 | Argentina 3 Masters 2 | R32 | clay | Roberto Alvarez | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.