Cheongrim Elementary School (청림초등학교, 2004-2005),
Gwacheon Elementary School (과천초등학교, 2006),
Jaehyun Middle School (재현중학교, 2007-2009),
Jaehyun High School (재현고등학교, 2010-2012),
Cerezo Osaka U18 (2012)
#94 Sung-yun Gu
Daegu FC
- Date of birth/Age: Jun 27, 1994 (29)
- Place of birth: Pohang, Gyeongbuk
- Citizenship: Korea, South
- Height: 1,97 m
- Position: Goalkeeper
- Former International: South Korea
- Caps/Goals: 5 / 0