Japan's Hirano Ruka competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019. (Photos: Xinhua)

Japan's Totsuka Yuto competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

Japan's Hirano Ruka competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

China's Zhang Yiwei competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

Japan's Hirano Ruka competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

First-placed Australia's Scotty James (C), second-placed Japan's Totsuka Yuto (L) and third-placed Japan's Hirano Ruka pose during the awarding ceremony for the Men's Snowboard Halfpipe event at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

First-placed Australia's Scotty James (C), second-placed Japan's Totsuka Yuto (L) and third-placed Japan's Hirano Ruka pose during the awarding ceremony for the Men's Snowboard Halfpipe event at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

Japan's Hirano Ruka competes during the Men's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.

Maddie Mastro of the United States competes during the Women's Snowboard Halfpipe final at FIS Snowboard World Cup 2020 in Chongli, north China's Hebei Province, Dec. 22, 2019.