Daniel Melo defeated Sebastian Prieto 6-1 7-5 in the Brazil 3 Masters 4 qualifying round on hard. The upset overturned the form book — Sebastian Prieto came in leading the head-to-head 1–0. Daniel Melo claimed a first win over Sebastian Prieto in two meetings, levelling the head-to-head at 1–1.
Melo D. took it in straight sets.
Hard: Melo D. leads 1–0 · Clay: Prieto S. leads 1–0
Daniel Melo beat Sebastian Prieto 6-1 7-5. Umpiry, "Daniel Melo vs Sebastian Prieto — Brazil 3 Masters 4 Qualifying Round", https://umpiry.com/match/1997-05-31/melo-vs-prieto-brazil-3-masters-4-qf?utm_source=cite (as of 31 May 1997).