Theresa Breen (Halifax, NS) run at the 2020 Dave Jones Stanhope Simpson Insurance Mayflower Cashspiel came to an end in the semifinals with a 8-7 loss to Suzanne Birt (Charlottetown, PEI).
 
Breen finished 4-0 in the 12-team qualifying round. . In their opening game, Breen defeated Colleen Jones (Halifax, NS) 10-5, then won 6-3 against Marlee Powers (Halifax, NS) and 7-5 against Mary Myketyn-Driscoll (Halifax, NS). Breen won 7-2 against Tanya Hilliard (Dartmouth, NS) in their final qualifying round match.
 
Breen earned 0.000 world rankings points for their Top 3 finish in the Dave Jones Stanhope Simpson Insurance Mayflower Cashspiel. For week 11 of the event schedule, Breen did not improve upon their best events, remaining at 100th place on the World Ranking Standings with 22.706 total points. Breen ranks 174th overall on the Year-to-Date rankings with 0.000 points earned so far this season.