Alejandro Olivera defeated Daniel Melo 6-2 2-6 6-2 in the Chile 2 Masters 1 qualifying round on clay. The upset overturned the form book — Daniel Melo came in leading the head-to-head 1–0, but Alejandro Olivera had been the form player, winning 1 of their last 5 on clay. Alejandro Olivera claimed a first win over Daniel Melo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-09 | Brazil F4 | R16 | clay | Daniel Melo | 7-6 6-7 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.