Her career-high WTA singles ranking is world No. 40, which she attained on 21 July 2008. On 30 April 2012, she peaked at world No. 89 on the WTA doubles rankings. She has won four singles titles on the WTA Tour, as well as ten singles and three doubles titles on the ITF Women's Circuit. She competed in the singles and women's doubles events at the 2008 Summer Olympics, and has been playing for France in the Fed Cup since 2010 (win/loss record: 7–14). Parmentier retired following the 2020 French Open.