Pereira competed in the
Rio de Janeiro Pan American Games in 2007, winning the bronze medal with
Joana Cortez on the
women's doubles competition. In February 2014, she reached the semifinals of the
Rio Open. In April 2015, Pereira reached the final of Copa Colsanitas where she won her first career title beating fifth seed
Yaroslava Shvedova, in straight sets, to become the first Brazilian woman to win a WTA Tour singles title since 1988, and jumping 130 places up the WTA rankings to No. 81. Pereira performed very poorly throughout 2016 and finally dropped out of top 200 by the end of the season. In 2016, she participated at the
Rio de Janeiro Olympic Games, stopping at the first round of
singles and
doubles, where she played alongside
Paula Gonçalves and at the second round of
mixed doubles, playing alongside
Marcelo Melo. Since then she has commented tennis on
ESPN Brazil and ran an academy on
Campo Largo, Paraná. ==Grand Slam performance timelines==