Dace Regza/Ansis Regza (Riga, LAT) qualified for the 2018 International Mixed Doubles Sochi 2 playoffs, dropping their quarterfinals match 5-4 against Alina Biktimirova/Timur Gadzhikhanov (Moscow, RUS). of the 2018 International Mixed Doubles Sochi 2 in Sochi, Russia;
 
Regza/Regza finished 2-2 in the 24-team qualifying round. . In their opening game, Regza/Regza defeated Ekaterina Antonova/Aleksandr Belyaskii (Moscow, RUS) 7-4, then won 8-7 against Nadezhda Kulikova/Oleg Kapustianov (Moscow, RUS). Regza/Regza went on to lose 9-6 against Sofia Tkach/Sergei Magaryan (Sochi, RUS). Regza/Regza lost 5-4 to Maria Komarova/Daniil Goryachev (Moscow, RUS) in their final qualifying round match.
 
. For week 30 of the event schedule, Regza/Regza did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Regza/Regza ranks th overall on the Year-to-Date rankings with points earned so far this season.