[4] She led all Naisten Liiga defensemen in assists during the 2022–23 regular season, with 32, and was KalPa's top point-scoring defender, notching 39 points in 30 games.
[5] Rantala was the league's top scoring defenseman in the 2023–24 season, tallying 34 points (13+21) in 30 games, and was selected to the Naisten Liiga All-Star First Team for the third consecutive time.
[6] In early April 2024, Frölunda HC announced the signings of Rantala and KalPa teammate Elisa Holopainen for the 2024–25 SDHL season.
[10][11] After a knee injury sustained in a preseason game kept her in rehabilitation and off the ice for the entire 2020–21 season,[12] the 2022 Winter Olympics served as Rantala's senior-level IIHF debut.
[13][14] She played in all seven games and scored two points in the tournament, a goal and an assist, both tallied against the Russian Olympic Committee (ROC) during the group stage.