Theresa Breen (Halifax, NS) qualified for the 2020 The Curling Store Cashspiel playoffs, dropping their quarterfinals match 6-4 against Isabelle Ladouceur (Kitchener, ON). of the 2020 The Curling Store Cashspiel in Lower Sackville, Nova Scotia, Canada;
 
Breen finished 2-1 in the 11-team qualifying round. . In their opening game, Breen defeated Kaylee Nodding (Lower Sackville, NS) 7-6, then won 4-2 against Colleen Jones (Halifax, NS). Breen went on to lose 6-4 against Christina Black (Halifax, NS) in their final qualifying round match.
 
Breen ranks 174th overall on the Year-to-Date rankings with 0.000 points earned so far this season.