The teenager became the first Kiwi skier to win at Aspen, Colorado.
The 2019 bronze medallist had his rivals in raptures with a spectacular third run at Aspen.
The 2019 champion produced a stunning final run to claim a silver medal.
The New Zealand team are under self-enforced lockdown while they compete in Colorado.
Zoi Sadowski Synnott and Nico Porteous have been able to train, while their rivals haven't.
But Nico Porteous' double cork 1620 was not enough for a medal in Aspen.