Nicole Sigvaldason/Ian McMillan (Winnipeg, MB) qualified for the 2018 Canad Inns Mixed Doubles Championship playoffs, dropping their quarterfinals match 7-6 against Kaitlyn Lawes/John Morris (Canmore, AB).
 
Sigvaldason/McMillan finished 5-2 in the 25-team qualifying round. . In their opening game, Sigvaldason/McMillan lost 8-4 to Maria Komarova/Daniil Goryachev (Moscow, RUS), then responded with a 7-4 win over Chelsea Carey/Colin Hodgson (Calgary, AB). Sigvaldason/McMillan won 7-5 against Emilie Desjardins/Robert Desjardins (Chicoutimi, QC). Sigvaldason/McMillan went on to lose 7-5 against Kadriana Sahaidak/Colton Lott (Winnipeg Beach, MB). Sigvaldason/McMillan responded with a 9-5 win over Hyeri Jang/Chi Won Choi (Uiseong, KOR). Sigvaldason/McMillan won 11-4 against Desjardins/Desjardins, then won 8-2 against Kimberly Tuck/Wayne Tuck Jr. (Ilderton, ON) in their final qualifying round match.
 
. For week 14 of the event schedule, Sigvaldason/McMillan did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Sigvaldason/McMillan ranks th overall on the Year-to-Date rankings with points earned so far this season.