Olympic viewing guide Day 12: What to watch on a big Wednesday

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Turning to Day 12 of the Milano-Cortina Games, all eyes will be on the Canadian men's hockey team for their quarterfinal game against Czechia. But Canada also has two shots at gold in short track speed skating, while snowboarding star Mark McMorris tries to grab his fourth consecutive Olympic medal.

So, let's start our daily viewing guide with the medal chances, then preview the men's hockey quarterfinals, Wednesday's curling slate, and the last chance for an American star to end her podium drought.

In chronological order:

Snowboarding: Mark McMorris and Cam Spalding in the men's slopestyle final at 5:20 a.m. ET

McMorris is going for his fourth consecutive Olympic medal and hoping to upgrade from his three bronze. The 32-year-old star recently won the slopestyle competition at the Winter X Games, extending his records for golds (12) and total medals (25) at the snow-sports festival.

McMorris missed the men's big air event at the start of the Olympics after suffering a concussion during practice. But he looked great in qualifying for the slopestyle on Sunday, posting the third-best score. Fellow Canadian Cam Spalding, the reigning World Cup champion in the slopestyle, placed fifth.

In slopestyle, riders make their way down a course tricked out with various obstacles, including rails and jumps, and are judged on the stunts they perform. For the final, each athlete does three runs, and only the best one counts. The last run goes at 6:16 a.m. ET

Canada also has two competitors in the women's snowboard slopestyle final, which was postponed from Tuesday to Wednesday due