Seo Seung-jae

Seo Seung-jae
Personal information
CountrySouth Korea
Born (1997-09-04) 4 September 1997
Jeonju, North Jeolla Province, South Korea
ResidenceBuan, Jeollabuk-do, South Korea
Height1.82 m (6 ft 0 in)
HandednessLeft
Men's & mixed doubles
Highest ranking2 (MD with Kang Min-hyuk, 20 February 2024)
6 (MD with Kim Won-ho, 3 June 2025)
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 ranking6 (MD with Kim Won-ho, 3 June 2025)
Medal record
Men's badminton
Representing  South Korea
World Championships
2023 CopenhagenMen's doubles
2023 CopenhagenMixed doubles
Sudirman Cup
2017 Gold CoastMixed team
2023 SuzhouMixed team
2025 XiamenMixed team
2021 VantaaMixed team
Asian Games
2022 HangzhouMixed doubles
2022 HangzhouMen's team
Asia Championships
2024 NingboMixed doubles
Asia Team Championships
2018 Alor SetarMen's team
2024 SelangorMen's team
Summer Universiade
2017 TaipeiMen's doubles
World Junior Championships
2013 BangkokMixed team
2012 ChibaMixed team
2013 BangkokBoys' doubles
Asian Junior Championships
2013 Kota KinabaluMixed team
2014 TaipeiMixed team
2015 BangkokBoys' singles
2015 BangkokMixed team
BWF profile

Seo Seung-jae (Korean: 서승재; born 4 September 1997) is a South Korean badminton player. 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. He competed at the 2017 Sudirman Cup and helped the Korean national team to its fourth trophy.