[1] He skated with Laima Krasnitskaja in the 2010–2011 season, winning the junior silver medal at the Finnish Championships.

At the 2012 World Junior Championships in Minsk, they qualified for the final segment by placing 8th in the preliminary round and 12th in the short dance.

In their first season together, the two won the silver medal at the Finnish Championships, behind Henna Lindholm / Ossi Kanervo.

Törn/Partanen placed seventh at the 2014 CS Finlandia Trophy and second to Olesia Karmi / Max Lindholm at the Finnish Championships.

On 7 July 2016, Törn/Partanen were invited to the 2016 Skate Canada International, their first Grand Prix event, replacing Federica Testa / Lukáš Csölley who withdrew.

Ranked 24th in the short, the two missed qualifying to the final segment at the 2017 World Championships, which took place in March in Helsinki, Finland.

In September, Törn/Partanen competed at the 2017 CS Nebelhorn Trophy, the final qualification opportunity for the 2018 Winter Olympics.