Hirano Ruka of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019. (Photos: Xinhua)

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Hirano Ruka of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Christoph Lechner of Germany competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Scotty James of Australia competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Chase Blackwell of the United States competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Zhang Yiwei of China competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Christoph Lechner of Germany competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.

Totsuka Yuto of Japan competes during the men's snowboard halfpipe qualification at the 2019-2020 FIS Snowboard World Cup in Chongli, north China's Hebei Province, on Dec. 20, 2019.