The 23-year-old was drawn in heat number one, and in the best of two run format put down his highest score in run number one scoring 75 points.
The score put Cox in eighth place, advancing him through to the 16 man final.
Unfortunately in finals training, Cox suffered a crash ending his day, giving him a final ranking of 16th.
Taking the win on home soil was Canadian Sebastien Toutant, with Norwegian Mons Roisland in second place and American Luke Winkelmann rounding out the podium in third.
The World Cup tour now heads to Mammoth Mountain in California, USA, with World Cup events in slopestyle and halfpipe for skiers and snowboarders on January 6-8.
IMAGE: Buchholz/FIS Snowboard