Joao Zwetsch defeated Miguel Kelbert 6-4 7-6 in the Brazil 4 Masters 3 round of 32 on clay. The result followed the form book — Joao Zwetsch came in leading the head-to-head 1–0. Joao Zwetsch extended the head-to-head to 2–0.
Zwetsch J. took it in straight sets.