[3] Following three seasons with KalPa, Kapanen opted to continue his development in the neighbouring Swedish Hockey League (SHL), joining Timrå IK on a two-year contract on 9 May 2024.

[6] After being a healthy scratch for the first game of the season, he made his NHL debut on 10 October, replacing Emil Heineman on the team's fourth line.

[7] He recorded an assist on Josh Anderson's third period goal for his first career NHL point.

[10] Kapanen first represented his country as part of their national under-18 team at the 2021 IIHF World U18 Championships where he appeared in four games.

[14] In May 2024, Kapanen made his senior debut for the Finland national team at the IIHF World Championship in Prague, recording a team-leading six goals in tournament play.