Marta Szeliga-Frynia/Pawel Frynia (Lodz, POL) qualified for the 2018 ISS WCT Atlas Mixed Doubles Lodz playoffs, dropping their quarterfinals match 7-6 against Elina Virtaala/Tomi Rantamaki (Hyvinkaa, FIN). of the 2018 ISS WCT Atlas Mixed Doubles Lodz in Lodz, Poland;
 
Szeliga-Frynia/Frynia finished 4-1 in the 24-team qualifying round. . In their opening game, Szeliga-Frynia/Frynia defeated Marta Kubak/Sebastian Lichy (Warsaw, POL) 12-3, then went on to lose 10-6 against Anastasia Moskaleva/Alexander Eremin (Moscow, RUS). Szeliga-Frynia/Frynia responded with a 7-3 win over Alina Pavlyuchik/Vitaliy Burmistrov (Minsk, BLR). Szeliga-Frynia/Frynia won 11-3 against Agnieszka Paszek/Michal Paszek (Ł�dź, POL), then won 8-7 against Eniko Szabo/Balazs Foti (Budapest, HUN) in their final qualifying round match.
 
. For week 16 of the event schedule, Szeliga-Frynia/Frynia did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Szeliga-Frynia/Frynia ranks th overall on the Year-to-Date rankings with points earned so far this season.