Toropchenko will play for Kunlan but will be available to return to training camp and play hockey in North America for the 2020-21 season.
Kunlan is coached by former NHLer Alexei Kovalev.
Toropchenko, a 21-year-old native of Moscow, was drafted by the Blues in the fourth round (No. 113 overall) at the 2017 NHL Draft. In 2019-20, he played 59 games with the American Hockey League's San Antonio Rampage, recording five goals and four assists.
Last week, the
Blues assigned Klim Kostin to Avangard Omsk
. Like Toropchenko, Kostin will be able to return for training camp and will be eligible to play in the NHL in the 2020-21 season.