Line Kjærsfeldt

Kjærsfeldt began to playing badminton at the age of eight, and started to playing competitively at the age of 15.^[4] She competed at the 2010 World Junior Championships and won the bronze medal in the girls' doubles partnered with Sandra-Maria Jensen, after in the semi-finals, they were beaten by the Chinese pair Bao Yixin and Ou Dongni in straight games.^[5] Kjærsfeldt won her first international title in the women's doubles at the 2011 Croatian International with Jensen.^[6] She then played at the Vantaa European Junior Championships, won the gold medal in the mixed doubles with Kim Astrup and bronze medal in the girls' doubles with Jensen.^[7][8] She entered two finals at the Scottish International, and won her first mixed doubles title with Astrup.^[9]

In 2012, Kjærsfeldt won her first title of the year at the Banuinvest International in the women's doubles with Sandra-Maria Jensen.^[10] In May, Kjærsfeldt finished runner-up at the Denmark International in the mixed doubles with Kim Astrup.^[11] She then won her first women's singles title at the Irish Open.^[12] After won the title in Ireland, she then entered the top 100 BWF world ranking.^[13]

Kjærsfeldt opened the 2013 season by winning the Estonian International.^[13] In March, she clinched the girls' singles silver medal at the European Junior Championships, after being defeated by Bulgarian Stefani Stoeva in the final.^[14] In 2014, Kjærsfeldt won the Finnish Open,^[15] and also runners-up in the Swedish Masters and Irish Open.^[16][17]

Kjærsfeldt competed at the 2015 Baku European Games and won the gold medal in the women's singles.^[3] She then won a Grand Prix title at the Scottish Open beating home favorite Kirsty Gilmour in the final in three games.^[18] In 2016, she was defeated by Carolina Marín in the semi-finals of the European Championships, settled for the bronze medal.^[19][20] Kjærsfeldt made her debut at the Olympics in Rio 2016, but her pace was stopped in the group stage.^[21] In December, she won her second Irish Open title.^[22]

Women's singles

Year	Venue	Opponent	Score	Result	Ref
2015	Baku Sports Hall, Baku, Azerbaijan	Lianne Tan	18–21, 21–19, 21–9	Gold	[3]
2019	Falcon Club, Minsk, Belarus	Kirsty Gilmour	21–13, 16–21, 8–21	Bronze

Women's singles

Year	Venue	Opponent	Score	Result	Ref
2016	Vendéspace, La Roche-sur-Yon, France	Carolina Marín	21–23, 15–21	Bronze	[20]
2018	Palacio de los Deportes Carolina Marín, Huelva, Spain	Evgeniya Kosetskaya	10–21, 14–21	Bronze

Girls' doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
2010	Domo del Code Jalisco, Guadalajara, Mexico	Sandra-Maria Jensen	Bao Yixin Ou Dongni	15–21, 7–21	Bronze	[5]

Girls' singles

Year	Venue	Opponent	Score	Result	Ref
2013	ASKI Sport Hall, Ankara, Turkey	Stefani Stoeva	13–21, 25–23, 19–21	Silver	[14]

Girls' doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
2011	Energia Areena, Vantaa, Finland	Sandra-Maria Jensen	Thamar Peters Josephine Wentholt	21–16, 15–21, 19–21	Bronze	[23]

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result	Ref
2011	Energia Areena, Vantaa, Finland	Kim Astrup	Matthew Nottingham Helena Lewczynska	19–21, 21–14, 21–16	Gold	[24]

The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018,^[25] is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tours are divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.^[26]

Women's singles

Year	Tournament	Level	Opponent	Score	Result	Ref
2018	Chinese Taipei Open	Super 300	Tai Tzu-ying	21–17, 10–21, 13–21	Runner-up
2018	Scottish Open	Super 100	Kirsty Gilmour	16–21, 21–18, 18–21	Runner-up
2019	Spain Masters	Super 300	Mia Blichfeldt	14–21, 14–21	Runner-up
2023	Hylo Open	Super 300	Beiwen Zhang	18–21, 21–16, 16–21	Runner-up
2023	Syed Modi International	Super 300	Nozomi Okuhara	19–21, 16–21	Runner-up

The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017.

Women's singles

Year	Tournament	Opponent	Score	Result	Ref
2015	Scottish Open	Kirsty Gilmour	16–21, 21–16, 21–18	Winner	[18]

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
2017	Bitburger Open	Anders Skaarup Rasmussen	He Jiting Du Yue	18–21, 17–21	Runner-up

  BWF Grand Prix Gold tournament

  BWF Grand Prix tournament

Women's singles

Year	Tournament	Opponent	Score	Result	Ref
2011	Scottish International	Judith Meulendijks	9–21, 19–21	Runner-up	[9]
2012	Irish Open	Chloe Magee	23–21, 18–21, 21–18	Winner	[12]
2013	Estonian International	Natalia Perminova	13–21, 21–18, 21–18	Winner	[13]
2014	Swedish Masters	Kirsty Gilmour	22–24, 21–12, 10–21	Runner-up	[16]
2014	Finnish Open	Anna Thea Madsen	21–9, 13–3 Retired	Winner	[15]
2014	Irish Open	Beatriz Corrales	21–23, 13–21	Runner-up	[17]
2016	Irish Open	Sung Shuo-yun	21–18, 21–18	Winner	[22]
2021	Irish Open	Hsu Wen-chi	9–21, 21–14, 15–21	Runner-up
2021	Scottish Open	Hsu Wen-chi	15-21, 18-21	Runner-up

Women's doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
2011	Croatian International	Sandra-Maria Jensen	Natalia Pocztowiak Staša Poznanović	21–14, 21–18	Winner	[6]
2012	Banuinvest International	Sandra-Maria Jensen	Gabriela Stoeva Stefani Stoeva	21–19, 17–21, 21–16	Winner	[10]

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
2011	Croatian International	Kim Astrup	Zvonimir Đurkinjak Staša Poznanović	13–21, 13–21	Runner-up	[6]
2011	Scottish International	Kim Astrup	Wojciech Szkudlarczyk Agnieszka Wojtkowska	15–21, 21–15, 21–13	Winner	[9]
2012	Denmark International	Kim Astrup	Mads Pieler Kolding Julie Houmann	19–21, 9–21	Runner-up	[11]

  BWF International Challenge tournament

  BWF International Series tournament

  BWF Future Series tournament

Women's singles

Year	Tournament	Opponent	Score	Result
2015	Copenhagen Masters	P. V. Sindhu	21–12, 21–19	Winner