sentences:  He competed at two World Junior Championships, qualifying for the final segment at the 2010 competition in The Hague.He finished 18th overall in the Netherlands.Iwasaki was coached by Adam Zalegowski as a child, Sarkis Tewanian in the 2006–07 season, Zbigniew Turkowski in 2007–09, and Alexey Fedoseev in 2010–11.