Her parents are named Dominique and Jean-Philippe. She has two brothers. Her favorite surface is clay.
Parmentier first took to the courts aged 6.
Parmentier has received wildcards into French Open tournaments in singles since 2005 and in doubles since 2004. Parmentier reached the second round of the 2007 United States Open singles competition, as a qualifier, defeating Tatjana Malek before falling to Martina Hingis.
Parmentier was the fourth seed in Bad Gastein in July 2008. She defeated top seed Ágnes Szávay in the semifinals before defeating surprise qualifier Lucie Hradecká in the final.
Parmentier was nominated to play in the 2008 Olympic Games after Mary Pierce and Amélie Mauresmo withdrew.
2010
In 2010 she qualified for the 2010 Sony Ericsson Open by defeating American teenager Lauren Davis and Tamarine Tanasugarn. In 2012, Parmentier reached the third round of the United States Open. At the 2013 Wimbledon Championships, she lost in the first round to Andrea Petkovic in straight sets.
In January 2014, she reached the semifinals of an $25,000 event in Hong Kong after defeating top seed Magda Linette in the first round, followed by wins over Rika Fujiwara and Mayo Hibi.
She followed this up with a career-best showing at a grand slam tournament. Entering her home tournament, the French Open, as a wildcard with a ranking of 145 in the world, she reached the fourth round after defeating 17th seed Roberta Vinci, Yaroslava Shvedova and Mona Barthel.
Singles (2–0)
Doubles (0–1)
Singles finals: 23 (9–14)
Doubles finals: 5 (3–2).