Daniel Melo defeated Alejandro Olivera 7-6 6-7 6-1 in the Brazil F4 round of 16 on clay. The upset overturned the form book — Alejandro Olivera came in leading the head-to-head 1–0. Daniel Melo claimed a first win over Alejandro Olivera in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 1 | QF | clay | Alejandro Olivera | 6-2 2-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.