Japan at the 2018 Winter Paralympics
Atsushi Yamamoto is a track and field competitor.  He won a silver medal in the men's T42 long jump at the 2016 Summer Paralympics.  In November 2017, he went to the World Para Snowboard World Cup in Landgraaf, Netherlands.  The World Cup was his first para-snowboarding competition.  Also there was Daniel Wagner of Denmark.  Wagner won gold in the event which Yamamoto won silver.  Both men had decided to compete internationally in snowboarding during the same year.