Brattstrom, 23, appeared in 45-of-52 games for Timra IK this year in the Swedish Allsvenskan and ranked as one of the top goaltenders in the league. Among starting goaltenders, he ranked second in the league with a 2.13 goals-against average and sixth with a 0.914 save percentage, while helping the club to a third-place finish with a 33-12 record. Brattstrom has played with Timra for the last four seasons (2016-20), seeing time in the Swedish junior league, second-tier Allsvenskan and the top-tier SHL during the 2018-19 season. In 60 appearances in the Allsvenskan, Brattstrom has a 43-17 record, 2.10 goals-against average, 0.915 save percentage and six shutouts, alongside a 2.81 goals-against average and 0.897 save percentage in 23 career SHL games.