Marie Turmann/Harri Lill (Tallinn, EST) qualified for the 2018 Gothenburg Mixed Doubles Cup playoffs, dropping their quarterfinals match 10-6 against Therese Westman/Robin Ahlberg (Stockholm, SWE).
 
Turmann/Lill finished 2-1 in the 16-team qualifying round. . In their opening game, Turmann/Lill lost 7-3 to Aleksandra Bylina/Karol Nowakowski (Krakow, POL), then responded with a 14-2 win over Akvile Rykove/Konstantin Rykov (Vilnius, LTU). Turmann/Lill won 7-6 against Westman/Ahlberg in their final qualifying round match.
 
. For week 20 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.