The goaltender from Brno, Czech Republic had an impressive start to the 2023-24 season, posting a 5-2-0 record with a 3.15 goals-against average and .910 save percentage in his first seven games. His outstanding performance earned him the title of NHL Rookie of the Month for October. In a game at Honda Center on Jan. 9, 2022, he set a Ducks record by making 33 saves in a 4-3 shootout victory against Detroit, marking the most saves by a goalie in his NHL debut.