Catao De Sousa defeated Joao Zwetsch 3-6 6-1 6-4 in the Brazil 2 Masters 2 round of 32 on clay.
De Sousa C. came through in three sets.
Catao De Sousa beat Joao Zwetsch 3-6 6-1 6-4. Umpiry, "Catao De Sousa vs Joao Zwetsch — Brazil 2 Masters 2 Round of 32", https://umpiry.com/match/1991-04-15/sousa-vs-zwetsch-brazil-2-masters-2-r32?utm_source=cite (as of 15 April 1991).