Gu Sung Yun - Transfers
Sung-Yun Gu
| - | Seoul E-Land | Seoul | Transfer | |
| - | Kyoto | Seoul E-Land | Transfer | |
01 Oct2024 | Hokkaido Consadole Sapporo | Kyoto | Transfer | |
| - | Kyoto | Hokkaido Consadole Sapporo | Return from loan | |
| - | Hokkaido Consadole Sapporo | Kyoto | Loan | |
02 Jan2023 | Daegu | Hokkaido Consadole Sapporo | Free agent | |
09 Jul2022 | Gimcheon Sangmu | Daegu | Return from loan | |
03 Aug2021 | Daegu | Gimcheon Sangmu | Loan | |
| - | Hokkaido Consadole Sapporo | Daegu | Free agent | |
| - | Cerezo Osaka | Hokkaido Consadole Sapporo | Free agent | |
07 Jan2012 | Jaehyun | Cerezo Osaka | Free agent |
S. Gu transfer history tracks all club moves during the professional career, including transfer dates and teams involved.