Seo Seung-jae

In this Korean name, the family name is Seo.

Seo Seung-jae (Korean: 서승재; born 4 September 1997) is a South Korean badminton player.^[2][3] He is the first South Korean player in 24 years to have won two gold medals in a single edition of the BWF World Championships, by winning the mixed and men's doubles event at the 2023 BWF World Championships, partnering with Chae Yoo-jung and Kang Min-hyuk respectively.^[4] He competed at the 2017 Sudirman Cup and helped the Korean national team to its fourth trophy.^[5]

Seo Seung-jae
Seo at the 2018 Indonesia Masters
Personal information
Country	South Korea
Born	(1997-09-04) 4 September 1997 (age 27) Jeonju, North Jeolla Province, South Korea
Residence	Buan, Jeollabuk-do, South Korea[1]
Height	1.82 m (6 ft 0 in)
Handedness	Left
Men's & mixed doubles
Highest ranking	2 (MD with Kang Min-hyuk, 20 February 2024) 7 (MD with Choi Sol-gyu, 19 November 2019) 2 (XD with Chae Yoo-jung, 12 March 2024) 5 (XD with Kim Ha-na, 17 May 2018)
Current ranking	10 (MD with Kim Won-ho, 20 May 2025)
Medal record Men's badminton Representing  South Korea World Championships 2023 Copenhagen Men's doubles 2023 Copenhagen Mixed doubles Sudirman Cup 2017 Gold Coast Mixed team 2023 Suzhou Mixed team 2025 Xiamen Mixed team 2021 Vantaa Mixed team Asian Games 2022 Hangzhou Mixed doubles 2022 Hangzhou Men's team Asia Championships 2024 Ningbo Mixed doubles Asia Team Championships 2018 Alor Setar Men's team 2024 Selangor Men's team Summer Universiade 2017 Taipei Men's doubles World Junior Championships 2013 Bangkok Mixed team 2012 Chiba Mixed team 2013 Bangkok Boys' doubles Asian Junior Championships 2013 Kota Kinabalu Mixed team 2014 Taipei Mixed team 2015 Bangkok Boys' singles 2015 Bangkok Mixed team
BWF profile

Career

Seo Seung-jae and Choi Sol-gyu against Malaysian pair in the final of 2019 Chinese Taipei Open

In 2014, Seo competed at the Summer Youth Olympics in Nanjing, China.^[6]

As a student of Wonkwang University, Seo was entrusted to take part in the 2017 Summer Universiade in Taiwan.^[7] He managed to win the men's doubles gold medal with Kim Jae-hwan.^[8]

Seo competed at the 2020 Summer Olympics in the men's doubles partnered with Choi Sol-gyu and in the mixed doubles with Chae Yoo-jung. He was eliminated in the group stage and quarter-finals respectively.^[9] After the Olympics, Seo played at the Sudirman Cup and the Thomas Cup, where Korea did not get any medal in both events. He only played two BWF World Tour tournaments in 2021, the Indonesia Masters and Indonesia Open.^[10]

In 2022, Seo officially started a new partnership with his junior Kang Min-hyuk. The duo immediately caught attention by winning the Korea Open, defeating higher-ranked pairs such as Satwiksairaj Rankireddy and Chirag Shetty, Mohammad Ahsan and Hendra Setiawan, and their final opponent Fajar Alfian and Muhammad Rian Ardianto in the journey.^[11] The duo also won all their matches in the Thomas Cup. However, Seo and Kang saw their results fluctuate throughout 2022, with notable early exits at the Japan Open, Malaysia Open, and the French Open.^[12] Seo resumed playing mixed doubles with Chae Yoo-jung at the Indonesia Masters as semi-finalists.^[12] The Seo and Chae combination became champions at the Australian Open over teammates Jeong Na-eun and Kim Won-ho,^[13] as well as semi-finalists at the Indonesia Open and quarter-finalists at the World Championships.^[12]

2023 was Seo's breakthrough year. He won the World Championships in both mixed doubles and men's doubles with his first victory over the world number 1 Zheng Siwei and Huang Yaqiong in mixed doubles, as well as overcoming home favorites Kim Astrup and Anders Skaarup Rasmussen in men's doubles.^[14] He also secured his first ever Super 1000 title at the China Open with a second consecutive victory over Zheng and Huang at the quarter-finals.^[15] Thanks to his achievements, Seo was awarded the Male Player of the Year for 2023.^[16] He completed the year with his first ever World Tour Finals title, this time from men's doubles, after winning against reigning world number 1 Liang Weikeng and Wang Chang.^[17]

Started the 2025 season with new partner, Seo and Kim Won-ho emerged victorious at the opening tournament of the BWF World Tour in the Malaysia Open.^[18] Seo continuing his good form in the next tournament by being a runner-up in India Open^[19] and winning Thailand Masters^[20] with another partner, Jin Yong. In March, Seo paired with Kim again and won German Open against France's Popov brothers (Toma Junior and Christo).^[21]

Achievements

World Championships

Men's doubles

Year	Venue	Partner	Opponent	Score	Result
2023	Royal Arena, Copenhagen, Denmark	Kang Min-hyuk	Kim Astrup Anders Skaarup Rasmussen	14–21, 21–15, 21–17	Gold

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
2023	Royal Arena, Copenhagen, Denmark	Chae Yoo-jung	Zheng Siwei Huang Yaqiong	21–17, 10–21, 21–18	Gold

Asian Games

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
2022	Binjiang Gymnasium, Hangzhou, China	Chae Yoo-jung	Zheng Siwei Huang Yaqiong	21–13, 15–21, 16–21	Bronze

Asian Championships

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
2024	Ningbo Olympic Sports Center Gymnasium, Ningbo, China	Chae Yoo-jung	Feng Yanzhe Huang Dongping	21–13, 15–21, 14–21	Silver

Summer Universiade

Men's doubles

Year	Venue	Partner	Opponent	Score	Result
2017	Taipei Gymnasium, Taipei, Taiwan	Kim Jae-hwan	Katsuki Tamate Kenya Mitsuhashi	21–12, 21–19	Gold

World Junior Championships

Boys' doubles

Year	Venue	Partner	Opponent	Score	Result
2013	Hua Mark Indoor Stadium, Bangkok, Thailand	Choi Jong-woo	Huang Kaixiang Zheng Siwei	11–21, 13–21	Bronze

Asian Junior Championships

Boys' singles

Year	Venue	Opponent	Score	Result
2015	CPB Badminton Training Center, Bangkok, Thailand	Lin Guipu	16–21, 11–21	Silver

BWF World Tour (20 titles, 16 runners-up)

The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018,^[22] is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.^[23]

Men's doubles

Year	Tournament	Level	Partner	Opponent	Score	Result
2018	Korea Masters	Super 300	Choi Sol-gyu	Po Li-wei Wang Chi-lin	21–12, 17–21, 21–18	Winner
2019	Spain Masters	Super 300	Kim Won-ho	Lee Yang Wang Chi-lin	8–21, 21–23	Runner-up
2019	Chinese Taipei Open	Super 300	Choi Sol-gyu	Goh V Shem Tan Wee Kiong	19–21, 21–15, 21–23	Runner-up
2019	Vietnam Open	Super 100	Choi Sol-gyu	Na Sung-seung Wang Chan	18–21, 21–16, 21–14	Winner
2019	Hong Kong Open	Super 500	Choi Sol-gyu	Mohammad Ahsan Hendra Setiawan	13–21, 21–12, 21–13	Winner
2019	Syed Modi International	Super 300	Choi Sol-gyu	He Jiting Tan Qiang	18–21, 19–21	Runner-up
2022	Korea Open	Super 500	Kang Min-hyuk	Fajar Alfian Muhammad Rian Ardianto	19–21, 21–15, 21–18	Winner
2023	German Open	Super 300	Kang Min-hyuk	Choi Sol-gyu Kim Won-ho	19–21, 21–18, 19–21	Runner-up
2023	Malaysia Masters	Super 500	Kang Min-hyuk	Man Wei Chong Tee Kai Wun	21–15, 22–24, 21–19	Winner
2023	Australian Open	Super 500	Kang Min-hyuk	Takuro Hoki Yugo Kobayashi	21–17, 21–17	Winner
2023	BWF World Tour Finals	World Tour Finals	Kang Min-hyuk	Liang Weikeng Wang Chang	21–17, 22–20	Winner
2024	India Open	Super 750	Kang Min-hyuk	Satwiksairaj Rankireddy Chirag Shetty	15–21, 21–11, 21–18	Winner
2024	Japan Open	Super 750	Kang Min-hyuk	Goh Sze Fei Nur Izzuddin	19–21, 15–21	Runner-up
2024	Korea Open	Super 500	Kang Min-hyuk	Leo Rolly Carnando Bagas Maulana	21–18, 9–21, 8–21	Runner-up
2024	Hong Kong Open	Super 500	Kang Min-hyuk	Sabar Karyaman Gutama Muhammad Reza Pahlevi Isfahani	21–13, 21–17	Winner
2024	China Masters	Super 750	Jin Yong	Sabar Karyaman Gutama Muhammad Reza Pahlevi Isfahani	21–16, 21–16	Winner
2025	Malaysia Open	Super 1000	Kim Won-ho	Chen Boyang Liu Yi	19–21, 21–12, 21–12	Winner
2025	India Open	Super 750	Kim Won-ho	Goh Sze Fei Nur Izzudin	15–21, 21–13, 16–21	Runner-up
2025	Thailand Masters	Super 300	Jin Yong	Muhammad Shohibul Fikri Daniel Marthin	21–18, 21–17	Winner
2025	German Open	Super 300	Kim Won-ho	Christo Popov Toma Junior Popov	21–19, 21–17	Winner
2025	All England Open	Super 1000	Kim Won-ho	Leo Rolly Carnando Bagas Maulana	21–19, 21–19	Winner

Mixed doubles

Year	Tournament	Level	Partner	Opponent	Score	Result
2018	New Zealand Open	Super 300	Chae Yoo-jung	Wang Chi-lin Lee Chia-hsin	19–21, 21–14, 19–21	Runner-up
2018	Australian Open	Super 300	Chae Yoo-jung	Chan Peng Soon Goh Liu Ying	21–12, 23–21	Winner
2018	French Open	Super 750	Chae Yoo-jung	Zheng Siwei Huang Yaqiong	19–21, 14–21	Runner-up
2019	Spain Masters	Super 300	Chae Yoo-jung	Wang Chi-lin Cheng Chi-ya	21–18, 21–15	Winner
2019	German Open	Super 300	Chae Yoo-jung	Hafiz Faizal Gloria Emanuelle Widjaja	21–17, 21–11	Winner
2019	Chinese Taipei Open	Super 300	Chae Yoo-jung	Tang Chun Man Tse Ying Suet	18–21, 10–21	Runner-up
2020 (II)	Thailand Open	Super 1000	Chae Yoo-jung	Dechapol Puavaranukroh Sapsiree Taerattanachai	16–21, 20–22	Runner-up
2020	BWF World Tour Finals	World Tour Finals	Chae Yoo-jung	Dechapol Puavaranukroh Sapsiree Taerattanachai	18–21, 21–8, 8–21	Runner-up
2022	Australian Open	Super 300	Chae Yoo-jung	Kim Won-ho Jeong Na-eun	21–9, 21–17	Winner
2023	Thailand Masters	Super 300	Chae Yoo-jung	Feng Yanzhe Huang Dongping	21–18, 15–21, 12–21	Runner-up
2023	All England Open	Super 1000	Chae Yoo-jung	Zheng Siwei Huang Yaqiong	16–21, 21–16, 12–21	Runner-up
2023	China Open	Super 1000	Chae Yoo-jung	Thom Gicquel Delphine Delrue	21–19, 21–12	Winner
2023	Korea Masters	Super 300	Chae Yoo-jung	Jiang Zhenbang Wei Yaxin	21–14, 21–15	Winner
2023	China Masters	Super 750	Chae Yoo-jung	Zheng Siwei Huang Yaqiong	10–21, 11–21	Runner-up
2024	French Open	Super 750	Chae Yoo-jung	Feng Yanzhe Huang Dongping	16–21, 16–21	Runner-up

BWF Grand Prix (4 titles, 3 runners-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.

Men's doubles

Year	Tournament	Partner	Opponent	Score	Result
2017	Canada Open	Kim Won-ho	Peter Briggs Tom Wolfenden	20–22, 21–16, 19–21	Runner-up
2017	Macau Open	Kim Won-ho	Wahyu Nayaka Ade Yusuf	13–21, 14–21	Runner-up
2017	Korea Masters	Kim Won-ho	Jung Jae-wook Kim Gi-jung	21–15, 21–16	Winner

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result
2017	Chinese Taipei Open	Kim Ha-na	Wang Chi-lin Lee Chia-hsin	22–20, 21–10	Winner
2017	U.S. Open	Kim Ha-na	Kim Won-ho Shin Seung-chan	16–21, 21–14, 21–11	Winner
2017	Macau Open	Kim Ha-na	Zheng Siwei Huang Yaqiong	14–21, 11–21	Runner-up
2017	Korea Masters	Kim Ha-na	Choi Sol-gyu Chae Yoo-jung	17–21, 21–13, 21–18	Winner

  BWF Grand Prix Gold tournament

  BWF Grand Prix tournament

BWF International Challenge/Series (2 titles)

Men's doubles

Year	Tournament	Partner	Opponent	Score	Result
2018	Norwegian International	Choi Sol-gyu	Mads Emil Christensen Kristoffer Knudsen	21–12, 21–13	Winner
2018	Irish Open	Choi Sol-gyu	Jack MacGregor Ciar Pringle	21–17, 21–12	Winner

  BWF International Challenge tournament

  BWF International Series tournament