Sebastian Prieto defeated Kentaro Masuda 6-4 4-6 6-4 in the Brazil 3 Masters 1 round of 32 on hard. The result followed the form book — Sebastian Prieto came in leading the head-to-head 2–0. Sebastian Prieto extended the head-to-head to 3–0.
Prieto S. came through in three sets.
Hard: Prieto S. leads 1–0 · Clay: Prieto S. leads 2–0
Sebastian Prieto beat Kentaro Masuda 6-4 4-6 6-4. Umpiry, "Sebastian Prieto vs Kentaro Masuda — Brazil 3 Masters 1 Round of 32", https://umpiry.com/match/1997-05-31/masuda-vs-prieto-brazil-3-masters-1-r32?utm_source=cite (as of 31 May 1997).