The requirements for applying for Master and Doctorate courses are not the same in all UFRGS graduate programs. Therefore, to apply for a graduate course, you need to contact the desired course for information about selection processes. Visit the websites below and contact the Graduate Program directly to verify what are the conditions for admission and application procedures.

Master: http://www.ufrgs.br/ufrgs/ensino/pos-graduacao/master
Doctorate: http://www.ufrgs.br/ufrgs/ensino/pos-graduacao/doctorate

Another option is to apply for graduate studies through the PEC-PG Program at the Brazilian diplomatic representation in the home country. Information at http://www.dce.mre.gov.br/PEC/PECPG.php