Lexi Lanigan/Jonathan Harstad (Chaska, MN) qualified for the 2018 Twin Ports Mixed Doubles Classic playoffs, dropping their quarterfinals match 6-3 against Tabitha Peterson/Joe Polo (Bemidji, MN). of the 2018 Twin Ports Mixed Doubles Classic in Duluth, Minnesota, United States;
 
Lanigan/Harstad finished 2-2 in the 30-team qualifying round. . In their opening game, Lanigan/Harstad lost 9-4 to Peterson/Polo, droppimg another game, 7-2 to Nina Roth/Kroy Nernberger (Madison, WI) where Lanigan/Harstad responded with a 7-4 win over Christine McMakin/Riley Fenson (Bemidji, MN). Lanigan/Harstad won 8-1 against Maggie Payette/Jack Payette (Duluth, MN) in their final qualifying round match.
 
. For week 15 of the event schedule, Lanigan/Harstad did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Lanigan/Harstad ranks th overall on the Year-to-Date rankings with points earned so far this season.