The rival of the Russians was the Finnish national team, which beat Switzerland in the quarter finals (2: 0).
The teams of Russia and Finland have already played at the YCCHM-2021 in the group stage.
The fight ended with the defeat of the Russian team in a series of post-match shootouts - 3: 4.
The teams of Canada and Sweden will play in the other semi-final.
This fight will take place on the night of May 5-6 and will begin at 00:00 Moscow time.
The semi-finals game Russia - Finland will take place on May 6 at 04:00 Moscow time.
Earlier, the coach of the Russian junior ice hockey team commented on the victory over Belarus at the YChM.