Antonio Couvert defeated Leonardo Olguin 6-3 6-1 in the Argentina 2 Masters 3 round of 16 on clay. The upset overturned the form book — Leonardo Olguin came in leading the head-to-head 2–0. Antonio Couvert claimed a first win over Leonardo Olguin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-04 | Argentina 2 Masters 1 | QF | clay | Leonardo Olguin | 6-7 6-1 3-0 |
| 1996-08-03 | Argentina 1 Masters 2 | R16 | clay | Leonardo Olguin | 7-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.