Lynn Hewitt (Sydney, AUS) qualified for the 2018 Audi quattro Winter Games NZ Mixed Doubles playoffs, dropping their quarterfinals match 11-5 against Sarah Anderson (Minneapolis, USA). of the 2018 Audi quattro Winter Games NZ Mixed Doubles in Naseby, New Zealand;
 
Hewitt finished 4-2 in the 0-team qualifying round. . In their opening game, Hewitt defeated Holly Thompson (Naseby, NZL) 7-6, then went on to lose 8-7 against Jennifer Jones (Winnipeg, CAN). Hewitt responded with a 10-3 win over Thivya Jeyaranjan (Naseby, NZL). Hewitt won 9-8 against Eszter Juhasz (Hyvinkaa, FIN), then won 14-3 against Tahli Gill (Brisbane, AUS). Hewitt went on to lose 7-6 against Jayne Stirling (Dumfries, SCO) in their final qualifying round match.
 
. For week 3 of the event schedule, Hewitt did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Hewitt ranks th overall on the Year-to-Date rankings with points earned so far this season.