Pervak won one singles title on the WTA Tour, as well as nine singles and three doubles titles on the ITF Circuit. On 19 September 2011, she reached her best singles ranking of world No. 37. On 30 January 2012, she peaked at No. 123 in the doubles rankings.
In November 2015, she announced her retirement from professional tennis due to chronic injuries.[3] However, she did return to tennis briefly, playing four tournaments between September 2016[4] and January 2017. Her last match was a loss in the first qualifying round of the Australian Open.
Pervak made it to the second round of the Pattaya Open where she lost to second seed Caroline Wozniacki in three sets.[5] She then won three qualifying matches to advance to the main draw in 's-Hertogenbosch where she defeated Czech Petra Cetkovská in the first round.[6] Pervak also won the Australian Open junior tournament in that year, defeating Laura Robson in the final.[1][2]
Pervak kicked off her 2011 season in Brisbane, Australia, where she was seeded seventh for the qualifying draw of the Brisbane International. She defeated Jessica Moore and Alexandra Panova but was defeated by Anastasia Pivovarova in the third qualifying round. 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.
Pervak made the semifinals of the $100k event in Midland, losing to eventual champion Lucie Hradecká.
She made two consecutive quarterfinals of WTA Tour events in Memphis and Monterrey, losing to Hradecká and Gisela Dulko, respectively.
Pervak began her 2013 season at the Brisbane International. Coming through qualifying, she upset eighth seed Caroline Wozniacki in the first round.[10] Her win over Wozniacki was her first victory over a top-ten player.