Meaghan Mallett/Brendan Jackson (Mississauga, ON) qualified for the 2022 St. Thomas Mixed Doubles Classic playoffs, dropping their quarterfinals match 10-9 against Sarah Bailey/Dylan Sipura (St. Catharines, ON). of the 2022 St. Thomas Mixed Doubles Classic in St. Thomas, Ontario, Canada;
 
Mallett/Jackson finished 3-2 in the 22-team qualifying round. . In their opening game, Mallett/Jackson defeated Mackenzie Kiemele/Graham Singer (Toronto, ON) 7-5, then won 8-6 against Jessica Shipmaker/Mike Aprile (Mississauga, ON). Mallett/Jackson went on to lose 8-5 against Riley Sandham/Brendan Craig (Guelph, ON). Mallett/Jackson responded with a 7-4 win over Julie Benson/Bret Jackson (Brighton, MI). Mallett/Jackson went on to lose 9-2 against Claire Randell/Nicholas Lemieux (St. Catharines, ON) in their final qualifying round match.
 
Mallett/Jackson earned 9.000 world rankings points for their Top 5 finish in the St. Thomas Mixed Doubles Classic, dropping 175 spots on the World Ranking Standings into 723rd place overall with 32.500 total points. Mallett/Jackson ranks 37th overall on the Year-to-Date rankings with 32.500 points earned so far this season.