Career
On 09 March 2015, she reached her best singles ranking of world number 271. On 11 July 2011, she peaked at world number 401 in the doubles rankings. Lemoine made her Women's Tennis Association tour debut at the 2015 Brasil Tennis Cup, defeating Gaia Sanesi in the qualifying tournament in the singles main draw.
Lemoine made her Women's Tennis Association main draw debut at the 2015 Brasil Tennis Cup, in the doubles event partnering Susanne Celik.
Singles (10–1)
Doubles (14-4).