Madeleine Dupont (Hvidovre, DEN) qualified for the 2021 LGT World Women's Curling Championship playoffs, dropping their quarterfinals match 8-7 against Tabitha Peterson (Chaska, USA). of the 2021 LGT World Women's Curling Championship in Calgary, Alberta;
 
Dupont finished 8-5 in the 0-team qualifying round. . In their opening game, Dupont lost 9-4 to Sayaka Yoshimura (Sapporo, JPN), then responded with a 14-5 win over Yu Han (Beijing, CHN). Dupont went on to lose 9-3 against Anna Hasselborg (Sundbyberg, SWE). Dupont responded with a 6-5 win over Anna Kubeskova (Prague, CZE). Dupont went on to lose 13-4 against Silvana Tirinzoni (Aarau, SUI). Dupont lost 7-5 to Alina Kovaleva (St. Petersburg, RCF) where Dupont responded with a 7-6 win over Peterson. Dupont won 7-6 against Daniela Jentsch (Fuessen, GER), then won 6-4 against EunJung Kim (Gangneung, KOR) and 9-5 against Stefania Constantini (Trentino, ITA). Dupont went on to lose 10-8 against Kerri Einarson (Gimli, CAN). Dupont responded with a 9-6 win over Marie Turmann (Tallinn, EST). Dupont won 9-5 against Eve Muirhead (Stirling, SCO) in their final qualifying round match.
 
Dupont ranks 47th overall on the Year-to-Date rankings with 0.000 points earned so far this season.