Carlos Zwetsch defeated Hector Moretti 5-7 6-4 6-1 in the Brazil 2 Masters 4 qualifying round on clay.
Zwetsch C. came through in three sets.
Carlos Zwetsch beat Hector Moretti 5-7 6-4 6-1. Umpiry, "Carlos Zwetsch vs Hector Moretti — Brazil 2 Masters 4 Qualifying Round", https://umpiry.com/match/1991-04-15/moretti-vs-zwetsch-brazil-2-masters-4-qf?utm_source=cite (as of 15 April 1991).