Lukas Rubin already played most of the 2022-23 season with EHC Chur, suiting up for them via B-license. Rubin received a one-year contract from EHC Winterthur in 2022 and recorded three assists in eleven games for them.
For EHC Chur, the defender appeared in 28 regular-season games, putting up two goals and ten assists. In the playoffs, he recorded one goal and two assists in four games.
