Career
Alsenfelt had a major breakthrough in the 2011 Kvalserien, with the Växjö Lakers. Showing impressive goaltending, he drew attention to hockey experts only after the first two games, despite the fact that these two games were played against familiar teams from the HockeyAllsvenskan. Alsenfelt continued to play for the team in the 2011 Kvalserien"s following six rounds, and he became a significant contributor to the team"s promotion to the Swedish Hockey League.
Alsenfelt stopped 28 shots out of 30 in the game.
Alsenfelt left the Växjö Lakers after the 2011-2012 season, playing 17 games and finishing with a 2.18 Gaelic Athletic Association and a.927 save percentage. He subsequently signed a two-year contract with Modo Hockey set to expire after the 2013-2014 season.
Oscar was loaned to Leksands IF and would contribute to their promotion to the SHL by playing in the 2013 Kvalserien.