Fujisawa's junior career began with a championship at the 2008 Pacific Junior Curling Championships over China's Sun Yue. This qualified her and her Japanese team for the 2008 World Junior Curling Championships, where they finished seventh with a 3–6 record. Fujisawa defended her Pacific Junior title by winning the 2009 Pacific Junior Curling Championships defeating China's Liu Jinli in the final. At the 2009 World Junior Curling Championships, she skipped Japan to a last-place (10th) finish and a 2–7 record.
Fujisawa left the team and joined Mari Motohashi's rink as skip in May 2015, moving from Karuizawa back to Kitami, where she had grown up and played juniors until 2009. Half a year later, Fujisawa and her new team represented Japan at the 2015 Pacific-Asia Curling Championships, where she led Japan to its first gold medal since 2005 by winning the final match against South Korea's Kim Ji-sun. Later that season, Fujisawa, with third Chinami Yoshida, second Yumi Suzuki, lead Yurika Yoshida, and alternate Mari Motohashi also competed for Japan at the 2016 World Women's Curling Championship in Swift Current, Canada. In the round-robin stage of the event, they finished second with a 9–2 record and advanced to the playoffs. They lost the 1 vs. 2 game to Binia Feltscher from Switzerland and then rebounded with a semifinal win over Russia's Anna Sidorova to earn a berth into the gold medal match. There, the Swiss team defeated Fujisawa's rink again but secured silver, Japan's first-ever podium finish at a world championship.
Fujisawa skipped the Japanese rink at the 2016 Pacific-Asia Curling Championships. After posting a 6–1 round robin record, tied with China and South Korea, her team would lose to China's Wang Bingyu in the semifinal. This meant that she could not defend her silver medal at the World Championships, as she had to make it to the finals to qualify Japan for the 2017 Worlds.
Team Fujisawa played in no World Curling Tour events during the abbreviated 2020–21 season as there were no events held in Japan or Asia.[13] The team would compete in the 2021 Japan Curling Championships, held from 8 to 14 February 2021 in Wakkanai, Hokkaido, as the defending champions.[14] After an unblemished 6–0 round robin record, the team defeated Team Sayaka Yoshimura of Hokkaido Bank to advance to the final where they would once again face Yoshimura.[15] Down one in the tenth, Team Yoshimura scored two points to win the national championship 7–6 over Team Fujisawa.[16] This meant that once again, the team would not get to represent Japan at the World Championships. Team Fujisawa ended their season at the 2021 Champions Cup and 2021 Players' Championship Grand Slam events, which were played in a "curling bubble" in Calgary, Alberta, with no spectators, to avoid the spread of the coronavirus.[17] The team had quarterfinal finishes at both events, losing out to Rachel Homan at the Champions Cup and Anna Hasselborg at the Players'.[18][19]
In their first event of the 2021–22 season, Team Fujisawa finished runner-up at the 2021 Hokkaido Bank Curling Classic. They then played in the 2021 Japanese Olympic Curling Trials, which were held in a best-of-five contest between the Fujisawa and Sayaka Yoshimura rinks.[20] After losing the first two games, Team Fujisawa rattled off three straight victories to win the trials and earn the right to represent Japan at the 2021 Olympic Qualification Event. There, the team finished third in the round robin and then defeated South Korea to secure their spot in the 2022 Winter Olympics.[21] At the Games, Fujisawa led her team of Chinami Yoshida, Yumi Suzuki, Yurika Yoshida and Kotomi Ishizaki to a 5–4 round robin record, enough to qualify as the fourth seeds in the playoff round. They then defeated the number one seeds in Switzerland's Silvana Tirinzoni to advance to the Olympic final, where they would face Great Britain's Eve Muirhead.[22] The team could not keep their momentum going in the final, however, dropping the match 10–3, earning the silver medal.[23] Elsewhere on tour for the season, Team Fujisawa lost in the final of the 2021 Curlers Corner Autumn Gold Curling Classic after a previously undefeated record. In November, they went undefeated to claim the Red Deer Curling Classic.[24] In Grand Slam play, they only qualified in one of three events they played in, the 2022 Players' Championship, where they reached the quarterfinals. The team wrapped up their season at the 2022 Japan Curling Championships. There, they went 7–1 through the round robin and won the 1 vs. 2 page playoff game over Hokkaido Bank. They then defeated the Ikue Kitazawa's Chubu Electric Power team 7–3 in the final to claim the national title.[25]
The Fujisawa rink won their second event of the 2022–23 season, going undefeated to win the Advics Cup.[26] At the 2022 National, the team went undefeated until the semifinals where they were stopped by Kerri Einarson 8–5.[27] They also lost to Team Einarson at the next Slam, 6–5 in a tiebreaker. Because they won the 2022 national championship, Team Fujisawa represented Japan at the 2022 Pan Continental Curling Championships where they finished third in the round robin with a 6–2 record.[28] They then beat Canada's Einarson in the semifinal before defeating Korea's Ha Seung-youn 8–6 in the championship game.[29] The team again missed the playoffs at the 2022 Masters after a 1–3 record.[30] In the new year, the team was the first qualifier at the 2023 Canadian Open, winning all three of their pre-qualifying matches. They then won 8–7 over Anna Hasselborg in the quarterfinals and 7–6 over Gim Eun-ji in the semifinals to reach their first Slam final. There, they became the first Asian team to win a Slam, excluding defunct events, with a 5–3 win over Team Einarson.[31] Team Fujisawa won their second straight national title at the 2023 Japan Curling Championships, defeating SC Karuizawa Club's Asuka Kanai 7–5 in the final.[32] This qualified them for the 2023 World Women's Curling Championship where they qualified for the playoffs with a 7–5 record.[33] They were then eliminated by Canada 6–4 in the qualification round.[34] They finished their season with a quarterfinal appearance at the 2023 Players' Championship and a semifinal appearance at the 2023 Champions Cup, losing out to the Einarson rink at both events.[35]
For a second year in a row, Team Fujisawa won the Advics Cup to begin their season, going undefeated to claim the title.[36] Because they defended their title at the national championship, they again represented Japan at the 2023 Pan Continental Curling Championships, this year finishing second through the round robin with a 6–1 record. In the semifinal, they stole the win against the United States' Tabitha Peterson before coming up short against Korea's Gim Eun-ji in the final, settling for silver.[37] In December, the team went undefeated at the 2023 Western Showdown until the semifinal where they lost 6–2 to Jolene Campbell. In the new year, they could not defend their national title, failing to reach the playoff round of the 2024 Japan Curling Championships.[38] They bounced back with a strong run at the Sun City Cup before losing the final to Isabella Wranå.[39] In Grand Slam play, the team only qualified in one of five events during the 2023–24 season, losing in the quarterfinals of the 2024 Canadian Open to Team Einarson.[40]
Mixed doubles
After the 2018 Olympics, Fujisawa was awarded a wild-card spot in the 2018 Japan Mixed Doubles Curling Championship with fellow Olympian Tsuyoshi Yamaguchi.[41] Despite having never teamed together and having very little mixed doubles experience overall, Fujisawa and Yamaguchi went undefeated to win the championship and the right to represent Japan at the 2018 World Mixed Doubles Curling Championship, where they would finish fifth overall.[42]
Fujisawa and Yamaguchi successfully defended their title in 2019,[43] and represented Japan at the 2019 World Mixed Doubles Curling Championship. There, they made it to the quarterfinal, where they lost to Australia.[44]
Personal life
Fujisawa graduated from Hokkaido Kitami Hokuto High School in Kitami City in 2010. From then to early 2015, residing in Nagano Prefecture, she was employed as a curler and office worker for Chubu Electric Power, which has owned a competitive women's curling team based in Karuizawa, Nagano since 2009. Since returning to Kitami, she has been an employee of one of the local companies sponsoring her present team. She is currently an insurance agent.[45]
Fujisawa began bodybuilding in 2023, and competed in the MOLA cup.[46]
^"日本カーリング選手権 歴代優勝チーム" [Japan Curling Championships — Past winning teams] (in Japanese). Japan Curling Association. 2019. Retrieved 16 March 2020.
^"ロコ・ソラーレ藤沢五月涙のV「緊張で昨夜眠れず」" [Loco Solare, Satsuki Fujisawa. V with tears, "I can't sleep last night due to tension"]. www.nikkansports.com (in Japanese). Nikkan Sports News. 16 February 2020. Retrieved 17 March 2020.