Marie Kaldvee/Harri Lill (Tallinn, EST) qualified for the 2025 Karlstad Mixed Doubles playoffs, dropping their quarterfinals match 6-4 against Kristin Moen Skaslien/Magnus Nedregotten (Oslo, NOR). of the 2025 Karlstad Mixed Doubles in Karlstad, Sweden;
 
Kaldvee/Lill finished 2-2 in the 10-team qualifying round. . In their opening game, Kaldvee/Lill lost 10-5 to Martine Roenning/Mathias Braenden (Lillehammer, NOR), then responded with a 8-3 win over Therese Westman/Robin Ahlberg (Sundbyberg, SWE). Kaldvee/Lill won 7-2 against Dilsat Yildiz/Bilal Omer Cakir (ANKARA, TUR). Kaldvee/Lill went on to lose 9-4 against Anna Hasselborg/Oskar Eriksson (Sundbyberg, SWE) in their final qualifying round match.
 
Kaldvee/Lill earned 7.500 world rankings points for their Top 5 finish in the Karlstad Mixed Doubles, remaining in 1st place overall on the World Ranking Standings with a net gain of -20.95 after improving upon their best so far this season. Kaldvee/Lill ranks 1st overall on the Year-to-Date rankings with 189.750 points earned so far this season.