Haeundae FC U12 (해운대FC U12, 2015-2018),
Suwon Samsung Bluewings U15 (수원삼성블루윙즈 U15, 2019-2021),
Suwon Samsung Bluewings U18 (매탄고등학교, 2022-)
#91 Seong-ju Kim
- Date of birth/Age: Aug 2, 2006 (17)
- Place of birth: Busan
- Citizenship: Korea, South
- Height: 1,69 m
- Position: Attacking Midfield
- National player: South Korea U17
- Caps/Goals: 9 / 1