Catherine Liscumb/Chris Liscumb (Ilderton, ON) run at the 2018 Listowel Mixed Doubles Cashspiel came to an end in the semifinals with a 9-7 loss to Nicole Westlund Stewart/Tyler Stewart (Kitchener-Waterloo, ON). of the 2018 Listowel Mixed Doubles Cashspiel in Listowel, Ontario, Canada; Liscumb/Liscumb advanced through the quarterfinals with a 8-7 win over Katie Cottrill/Shawn Cottrill (Listowel, ON). of the 2018 Listowel Mixed Doubles Cashspiel in Listowel, Ontario, Canada;
 
Liscumb/Liscumb finished 2-1 in the 24-team qualifying round. . In their opening game, Liscumb/Liscumb lost 8-4 to Elana Sone/Leonid Rivkind (Metulla, ISR), then responded with a 10-2 win over Kaitlyn Little/Matthew Trennum (Niagara Falls, ON). Liscumb/Liscumb won 8-5 against Kimberly Tuck/Wayne Tuck Jr. (Ilderton, ON) in their final qualifying round match.
 
. For week 28 of the event schedule, Liscumb/Liscumb did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Liscumb/Liscumb ranks th overall on the Year-to-Date rankings with points earned so far this season.