Paquet made her Grand Slam singles debut at the 2015 French Open after receiving a singles qualifying wild card; in the singles qualifying event, she defeated her compatriot Lou Brouleau in the first round before losing to Paula Kania in the second round.
Paquet made her Grand Slam main draw singles debut at the 2017 French Open after receiving a singles main draw wild card. Ranked only world no.260 in the WTA singles rankings, she upset world no.44 Kristýna Plíšková in the first round before losing to no.28 seed Caroline Garcia in the second round.