Ashley Williamson/Justin Heather (Regina, SK) qualified for the 2019 Callie Mixed Doubles Classic playoffs, dropping their quarterfinals match 7-1 against Jayne Stirling/Fraser Kingan (Dumfries , SCO). of the 2019 Callie Mixed Doubles Classic in Regina, Saskatchewan, Canada;
 
Williamson/Heather finished 3-0 in the 32-team qualifying round. . In their opening game, Williamson/Heather defeated Stirling/Kingan 6-5, then won 7-1 against Donda-Lee Deis/Kalin Deis (Lloydminster, SK) and 11-1 against Saskatchewan's Emma Wiens/Nathen Pomedli in their final qualifying round match.
 
. For week 22 of the event schedule, Williamson/Heather did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Williamson/Heather ranks th overall on the Year-to-Date rankings with points earned so far this season.