[4] Out of juniors, Asselin joined the Mike Fournier rink at third with William Dion at second and Miguel Bernard at lead.

Also during the 2016–17 season, Asselin competed at the 2017 Canadian Mixed Doubles Curling Championship with partner Jill Routledge.

[6] The team qualified for the playoffs as the fourth seed and won three straight games to claim the provincial title.

[9] Curling Québec then decided to appoint Team Fournier to represent Quebec at the 2021 Tim Hortons Brier in Calgary, Alberta.

[11] Asselin remained in the bubble to represent Quebec the following week at the 2021 Canadian Mixed Doubles Curling Championship with girlfriend Laurie St-Georges.

[15] The Quebec Tankard was once again cancelled due to the pandemic and Team Fournier were named as the provinces representatives for the 2022 Tim Hortons Brier.

[17] Asselin, along with his girlfriend Laurie St-Georges, brother Émile and lead Emily Riley, won the 2022 Canadian Mixed Curling Championship for Quebec.

[18][19] They went on to win the bronze medal at the world mixed curling championships in Aberdeen, Scotland, narrowly defeating Norway 4–3.