Catherine Wallis/Chris Liscumb (Ilderton, ON) run at the 2017 Palmerston Mixed Doubles Spiel came to an end in the semifinals with a 10-1 loss to Nicole Westlund Stewart/Tyler Stewart (Kitchener-Waterloo, ON). of the 2017 Palmerston Mixed Doubles Spiel in Palmerston, Ontario, Canada; Wallis/Liscumb advanced through the quarterfinals with a 7-2 win over Farzana Hussain/Rayad Husain (Georgetown, GUY). of the 2017 Palmerston Mixed Doubles Spiel in Palmerston, Ontario, Canada;
 
Wallis/Liscumb finished 3-0 in the 0-team qualifying round. . In their opening game, Wallis/Liscumb defeated Lauren Pennings/Kevin Ross (Harriston, ON) 9-3, then won 10-4 against Nicole Ross/Mike Benjamins (Palmerston, ON) and 8-7 against Veronique Bouchard/Stephane Roy (Chicoutimi, QC) in their final qualifying round match.
 
. For week 12 of the event schedule, Wallis/Liscumb did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Wallis/Liscumb ranks th overall on the Year-to-Date rankings with points earned so far this season.