Pervak won the 2009 Australian Open girls' singles title, defeating Laura Robson in straight sets in the final.

At the Slovenia Open, Pervak reached her first WTA Tour semifinal against Johanna Larsson but she had to retire due to a wrist injury.

2 seed Chan Yung-jan in the first round, and reached the quarterfinals by defeating Russian compatriot Alexandra Panova, winning 24 of 27 points in the final set.

She gained entry into the main draw as a lucky loser and defeated Anna Chakvetadze in the first round, before losing in the second to Petra Kvitová.

Pervak played in the first round of the main draw of the Australian Open for the first time in her career, but lost to 13th seed and fellow Russian Nadia Petrova.

She made two consecutive quarterfinals of WTA Tour events in Memphis and Monterrey, losing to Hradecká and Gisela Dulko, respectively.