Kim, and teammates Kim Hye-rin, Yang and Kim Su-jin represented Korea at the 2017 World Junior Curling Championships. The team posted a 5–4 round robin record, tied with Switzerland for fourth. They would beat the Swiss in a tiebreaker, before losing two straight games against Canada to finish in fourth place. This same team represented Korea at the 2018 World Junior Curling Championships. There, Kim led the team to a 4–5 record, missing the playoffs.
She and her team participated in all four legs of the 2018–19 Curling World Cup. In the First Leg, they finished with a 1–5 record, placing seventh out of eight teams. At the Second Leg, she and her team made it all the way to the final falling just short to Japan's Satsuki Fujisawa 7–6. Her team improved on this performance by winning the Third Leg against Sweden's Anna Hasselborg rink. In the Grand Final, the team finished with a 2–4 record.
Her team, still junior eligible represented Korea at the 2019 World Junior Curling Championships. They finished the round robin with a 6–3 record, which was tied with three other teams for the second best record. However, they missed the playoffs due to tiebreaker rules. The following month, the team represented Korea at the 2019 Winter Universiade. This time their 6–3 record was enough to make the playoffs, where they made it all the way to the final before losing to Sweden. Later that month, the team had yet another international event to play in, the 2019 World Championship. The team was even better on this stage, finishing the round robin with a 9–3 record, in second place. In the playoffs, they lost to Switzerland's Silvana Tirinzoni rink in the semifinal, but rebounded to win the bronze medal game against Seina Nakajima of Japan. It was the first ever medal won by Korea at the Women's World Championship.[4] The team ended their season with a 1–3 record at the 2019 Champions CupGrand Slam of Curling event.
Kim and her rink began the abbreviated 2020–21 season at the 2020 Korean Curling Championships. There, they qualified for the playoffs with a 5–1 record before losing both of their playoff games to the Kim Eun-jung and Gim Un-chi rinks, settling for third.[6] Later that season, Team Kim competed in the only two Grand Slam events of the season, which were played in a "curling bubble" in Calgary, Alberta, with no spectators, to avoid the spread of the coronavirus.[7] The team missed the playoffs at both the 2021 Champions Cup and the 2021 Players' Championship.
The 2021–22 season began in June for Team Kim as they competed in the 2021 Korean Curling Championships to decide who would get the chance to represent Korea at the 2022 Winter Olympics in Beijing, China.[8] In the first of three rounds, the team went a perfect 4–0 in the round robin before losing in the semifinal to the Gim Un-chi rink. They rebounded with a win over Kim Ji-su in the third place game. In the second round, they went 4–2, however, because Team Kim Eun-jung won both the first and second rounds, they became the national champions.[9] Kim later competed in the 2021 Korean Mixed Doubles Curling Championship with partner Lee Ki-jeong. The pair qualified through the Gangwon qualifier with a perfect 5–0 record. They then won twelve straight matches to claim the national mixed doubles title.[10] Because of this, Kim was absent from her women's team for the rest of the season.[11] In October, Kim and Lee captured the WCT Heracles Mixed Doubles Slovakia Cup on the World Curling Tour.[12] At the 2021 Olympic Qualification Event, the pair lost in the qualification final to Australia's Tahli Gill and Dean Hewitt, meaning they would not compete in the Olympic Games.[13] Kim and Lee again represented Korea at the 2022 World Mixed Doubles Curling Championship where they finished in fifteenth with a 4–5 record. In March 2022, Kim Min-ji moved to Gyeonggi Province to join Team Gim Eun-ji.[14] The team competed in two Grand Slams at the end of the year, the 2022 Players' Championship and the 2022 Champions Cup. After missing the playoffs at the Players', the team made it all the way to the final of the Champions Cup where they lost to Kerri Einarson.[15]
Team Gim had their best season to date during the 2022–23 season as they qualified for the playoffs in fourteen of fifteen events they played in. The team began their run at the 2022 Korean Curling Championships where they went 5–1 in the round robin. After beating Jeonbuk Province in the semifinal, they lost in the championship game 7–4 to Chuncheon City Hall, Kim's former team, meaning they would not be the national team.[16] On tour, the team began at the first event of the Alberta Curling Series, where they went undefeated to claim the title.[17] They next played in the 2022 Martensville International where after a 4–1 round robin record, they fell 8–4 in the semifinal to Clancy Grandy.[18] They also reached the semifinals of the 2022 Saville Shoot-Out, the 2022 Alberta Curling Series Major, and the Prestige Hotels & Resorts Curling Classic. In the first Slam event, the 2022 National, Team Gim finished 2–2 through the round robin, but were able to beat Tabitha Peterson in a tiebreaker to qualify for the playoffs. In the quarterfinals, they lost 7–5 to Satsuki Fujisawa.[19] The team had another quarterfinal finish the following week at the 2022 Western Showdown after a previously undefeated record. At the 2022 Tour Challenge, the team started with two straight losses before winning three straight sudden death games to advance to the playoffs. After defeating Team Kim in the quarterfinals, they lost 4–3 to Team Einarson in the semifinals.[20] Team Gim's next event was the 2022 Curlers Corner Autumn Gold Curling Classic where they qualified for the playoffs through the B side. They then defeated Abby Ackland, Casey Scheidegger and Michèle Jäggi in the quarterfinals, semifinals, and championship game respectively to win the event, becoming the first Korean team to do so.[21] The team continued their winning momentum into the Stu Sells Brantford Nissan Classic where they captured their third event title of the season.[22] Team Gim wrapped up the 2022 part of their season at the 2022 Masters where they had another semifinal appearance, falling 5–3 to Rachel Homan.[23] They also reached the semifinals of the next Slam, the 2023 Canadian Open, where they were again defeated by Team Fujisawa.[24] The team wrapped up their season at the final two Slams, the 2023 Players' Championship and the 2023 Champions Cup. At the Players', they finished first through pool play with a 4–1 record to earn the top spot in the playoffs. They then lost 6–3 to Silvana Tirinzoni in the semifinal.[25] At the Champions Cup, they missed the playoffs for the only time during the season. After a 3–2 record, they fell 9–4 to Team Hasselborg in a tiebreaker.[26]
After their successful season which saw them rise to fifth in the world, Team Gim had an even better 2023–24 season with the team increasing their world ranking to third. At the 2023 Korean Curling Championships, the team lost just one game en route to claiming the national title, finishing the event with an unmatched 12–1 record.[27] This gave Kim her second Korean title and earned her team the right to represent Korea at the 2023 Pan Continental Curling Championships and the 2024 World Women's Curling Championship. On tour, the team initially struggled to find major success in their first three events. At the 2023 Curlers Corner Autumn Gold Curling Classic, however, Team Gim went undefeated to defend their title, defeating Japan's Miori Nakamura 8–3 in the final.[28] At the first Slam of the season, the 2023 Tour Challenge, the team finished as the number one seeds through the round robin before dropping their quarterfinal match to Kaitlyn Lawes.[29] They then played in the Pan Continental Championships where they went 6–1 through the round robin, earning the number one seed in the playoffs. After defeating Canada's Kerri Einarson in the semifinal, they beat Japan's Satsuki Fujisawa in the final to claim Korea's first Pan Continental title.[30] Next was the 2023 National where Team Gim again went undefeated through the round robin before defeating Stefania Constantini and Silvana Tirinzoni in the quarterfinals and semifinals respectively. This qualified them for the final where they defeated Team Rachel Homan 7–6, becoming the first Korean team to win a Grand Slam of Curling event.[31] They then reached the final of the Uiseong Korean Cup where they lost to Team Kim. At the next two Slams, the 2023 Masters and the 2024 Canadian Open, the team lost in the quarterfinals to Einarson and Homan respectively.[32] In their last event before the world championship, they lost just one game en route to claiming the 2024 International Bernese Ladies Cup, defeating Korean rival Kim Eun-jung in the final.[33] Team Gim then represented Korea at the 2024 World Championship in Sydney, Nova Scotia. Through the round robin, the team lost just two games to Switzerland and Italy, finishing fourth with a 10–2 record. This included defeating Canada's Homan rink, being the only team to do so.[34] After beating Sweden's Anna Hasselborg in the qualification round, they faced Canada again where they lost 9–7. This put them in the bronze medal game where Gim made a double takeout on her last shot to win the game for her team.[35] It was Kim's second bronze medal at the world championship. The team ended their season at the 2024 Players' Championship where they lost in the semifinals to Isabella Wranå.[36]
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