|Hometown:||Jundiai, Sao Paulo|
|Previous School:||Colegio Metropolitano|
2012-13: Marrafao had an excellent year for the Cobras after finishing with a singles record of 15-5 and a doubles record of 15-8. His performance landed him a spot on the All-Conference second team. Marrafao was also named conference player of the week on March 12.
High School: Marrafao played tennis and soccer at Colegio Metropolitano.
Personal: Son of Marlene and Claudinei Marrafao.