China's Su Yiming on Sunday posted the best score of the men's snowboard slopestyle qualifying round, while Americans Sean FitzSimons and Red Gerard, the defending gold medalist, placed a respective third and fifth, all securing top-12 spots for Monday's final.
Gerard, trying to become the event's first rider to repeat titles, executed a great rail routine in his opening run and threw down a frontside double cork 1080 off "The Matrix" section to score a 78.20. FitzSimons hit a frontside triple cork 1440 on the same jump to record a 78.76 on Run 1.
Team USA's Chris Corning placed 11th with a 69.30 on his second run to also qualify for the final.
Monday's final begins at 11 p.m. Sunday ET.