Hasselborg made her international debut at the 2008 European Mixed Curling Championship, playing third for Niklas Edin, winning a bronze medal.

At the 2010 World Junior Curling Championships, Hasselborg upset the Canadian rink skipped by Rachel Homan in the final by a score of 8–3.

The following season, the team won two Tour titles, the 2016 Oakville OCT Fall Classic and the 2016 Stockholm Ladies Curling Cup.

[4] That season, the team also represented Sweden at the 2016 European Curling Championships, where they won a silver medal, losing to Russia's Victoria Moiseeva in the final.

In the playoffs, Hasselborg knocked off the Muirhead-led British rink in the semifinal before beating South Korea in the final to win the gold medal.

Hasselborg won her first Grand Slam in the lone women's Elite 10 in 2018, going undefeated through the tournament and defeating Silvana Tirinzoni in the final.

The team secured the number one spot in the playoffs en route to defeating the Canadian pair of Jocelyn Peterman and Brett Gallant in the final.

Team Hasselborg began the 2019–20 season at the Stu Sells Oakville Tankard, where they defeated Anna Sidorova in the final.

They lost in the semifinal of the Masters to Tracy Fleury before winning the next three Slams, the Tour Challenge, National and the Canadian Open.

The team was set to represent Sweden at the 2020 World Women's Curling Championship before the event got cancelled due to the COVID-19 pandemic.

[8] Hasselborg and her team won the first event of the abbreviated 2020–21 season, defeating Raphaela Keiser in the final of the 2020 Women's Masters Basel.

After defeating Canada's Kerri Einarson 8–3 in the qualification round, they lost a narrow 8–7 semifinal against the RCF, skipped by Alina Kovaleva.

[15] In November, Team Hasselborg again represented Sweden at the 2021 European Curling Championships where they finished third in the round robin with a 7–2 record.

After a 4–1 round robin record, the team knocked off Isabella Wranå in the semifinal and the newly formed Kaitlyn Lawes rink in the championship game.

[21] In their first Slam of the season, the 2022 National, the team missed the playoffs with a 1–3 record, meaning they would not have the chance to repeat as champions for a third year in a row.

[29] At the 2023 World Women's Curling Championship, which was held in Sandviken, the team finished fifth through the round robin with a 7–5 record, enough to make the playoffs.

[35] At the best-of-seven European qualifier against Isabella Wranå, the team lost the series 4–2, meaning they would not represent Sweden for the first time since 2015.

At the Worlds, Team Hasselborg started with three consecutive losses before turning things around, finishing the round robin in fifth place with a 7–5 record.

[42] They then lost to Korea's Gim Eun-ji in the qualification round, eliminating them from medal contention for the first time in Hasselborg's career.