Siyu Han (Changchun, CHN) won 6-4 over Mackenzie Kiemele (Guelph, ON) in the Final of the KW U21 Womens Classic, held November 2 - 4, 2018 in Kitchener-Waterloo, Ontario. To advance to the championship game, Han won 8-5 over Rachel Steele (Port Perry, ON) in the semifinals of the KW U21 Womens Classic in Kitchener-Waterloo, Ontario;
 
Han finished 5-0 in the 24-team qualifying round. . In their opening game, Han defeated Veronica Bernard (Kingston, ON) 5-3, then won 6-1 against Thea Coburn (Dundas, ON) and 8-7 against Erin Titkai (Ottawa, ON). Han won 8-3 against Parker Doig (Coldwater, ON), then won 8-3 against Maya Willertz (Midland, USA) in their final qualifying round match.
 
. For week 12 of the event schedule, Han did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Han ranks th overall on the Year-to-Date rankings with points earned so far this season.