Marie Turmann/Harri Lill (Tallinn, EST) qualified for the 2018 International Mixed Doubles Sochi 2 playoffs, dropping their quarterfinals match 8-7 against Maria Komarova/Daniil Goryachev (Moscow, RUS). of the 2018 International Mixed Doubles Sochi 2 in Sochi, Russia;
 
Turmann/Lill finished 4-1 in the 24-team qualifying round. . In their opening game, Turmann/Lill defeated Alina Androsova/Alexander Androsov (Moscow, RUS) 9-3, then won 11-5 against Julia Vlasova/Victor Abramov (Moscow, RUS) and 10-5 against Vlada Shtyrova/Egor Volkov (Sochi, RUS). Turmann/Lill went on to lose 6-5 against Alina Biktimirova/Timur Gadzhikhanov (Moscow, RUS). Turmann/Lill responded with a 18-1 win over Veronika Yanushkovskaya/Artem Kulikov (Moscow, RUS) in their final qualifying round match.
 
. For week 30 of the event schedule, Turmann/Lill did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Turmann/Lill ranks th overall on the Year-to-Date rankings with points earned so far this season.