Gu Sung-Yun · career
Sung-Yun Gu
Goalkeeper · FC Seoul · season-by-season, by competition, and every match.
Career report
A career still climbing — Sung-Yun is at his peak right now, and the curve hasn't flattened.
Peak: 2024/25Trending upBreakout: 2024/254 clubs
The record covers 6 seasons (2020/21–2026/27) across 4 clubs, including a move abroad — 107 appearances with 2 goal contributions as a goalkeeper.
His best campaign on record is 2024/25 at Kyoto Sanga — Season rating 23, 0 goals and 0 assists in 32 games. 2024/25 was the leap — Season rating up 18 points at Kyoto Sanga. Form is on a climb — up 16 Season points across his last 3 full seasons.
By season
| Season | Club | Apps | CS | CS% | Rating | Season |
|---|---|---|---|---|---|---|
| 2026/27 | FC Seoul | 25 | 5 | 20% | 20 | 22 |
| 2025/26 | FC Seoul | 4 | 0 | 0% | — | — |
| 2025/26 | Kyoto Sanga | 2 | 1 | 50% | 15 | 4 |
| 2024/25 | Kyoto Sanga | 32 | 9 | 28% | 31 | 23 |
| 2023/24 | Kyoto SangaLoan | 16 | 3 | 19% | 30 | 6 |
| 2023/24 | Consadole Sapporo | 3 | 0 | 0% | — | — |
| 2022/23 | Gimcheon Sangmu FC | 15 | 3 | 20% | 32 | 5 |
| 2021/22 | Gimcheon Sangmu FC | 18 | 0 | 0% | — | — |
| 2020/21 | Daegu FC | 17 | 4 | 24% | 41 | 12 |
| 2020/21 | Consadole Sapporo | 1 | 0 | 0% | 35 | 0 |
| 2019/20 | Consadole Sapporo | 33 | 0 | 0% | — | — |
| 2018/19 | Consadole Sapporo | 34 | 0 | 0% | — | — |
| 2017/18 | Consadole Sapporo | 33 | 0 | 0% | — | — |
| 2016/17 | Consadole Sapporo | 33 | 0 | 0% | — | — |
| 2015/16 | Consadole Sapporo | 33 | 0 | 0% | — | — |
International
| Side | Season | Competition | Apps | G |
|---|---|---|---|---|
| Korea Republic U23 | 2016/17 | Olympics Men | 3 | 0 |
| 2016/17 | AFC U23 Asian Cup | 1 | 0 | |
| South Korea | 2020/21 | Friendlies | 2 | 0 |
| 2019/20 | EAFF E-1 Football Championship | 1 | 0 | |
| 2019/20 | Friendlies | 1 | 0 |
Honours
EAFF E-1 Football Championship×3J2 League×2K League 2×2AFC U23 Asian Cup×2J-League Cup×2
By competition
| Competition | Apps | Min | Rating |
|---|---|---|---|
| K League 1 | 18 | 810 | 6.8 |
Schedule · 2026/27
10 played16 not in squad· 900 min, 0g 0a
Also spent part of this season at Kyoto Sanga — those games aren't in this club's schedule.
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Feb 28 | K League 1 | A Incheon United | 2-1 | Played | 90 | 6.3 | ||
| Mar 15 | K League 1 | A Jeju United FC | 2-1 | Played | 90 | 6.7 | ||
| Mar 18 | K League 1 | A Pohang Steelers | 1-0 | Not in squad | — | |||
| Mar 22 | K League 1 | H Gwangju FC | 5-0 | Not in squad | — | |||
| Apr 5 | K League 1 | A FC Anyang | 1-1 | Played | 90 | 6.3 | ||
| Apr 11 | K League 1 | H Jeonbuk Motors | 1-0 | Played | 90 | — | ||
| Apr 15 | K League 1 | A Ulsan Hyundai FC | 4-1 | Not in squad | — | |||
| Apr 18 | K League 1 | H Daejeon Citizen | 0-1 | Played | 90 | 6.7 | ||
| Apr 21 | K League 1 | H Bucheon FC 1995 | 3-0 | Not in squad | — | |||
| Apr 25 | K League 1 | A Gangwon FC | 2-1 | Played | 90 | 7.0 | ||
| May 2 | K League 1 | H Gimcheon Sangmu FC | 2-3 | Not in squad | — | |||
| May 5 | K League 1 | H FC Anyang | 0-0 | Not in squad | — | |||
| May 9 | K League 1 | A Jeju United FC | 1-2 | Played | 90 | 6.5 | ||
| May 12 | K League 1 | A Gwangju FC | 1-0 | Not in squad | — | |||
| May 16 | K League 1 | A Daejeon Citizen | 2-1 | Played | 90 | 6.9 | ||
| Jul 5 | K League 1 | H Incheon United | 1-0 | Not in squad | — | |||
| Jul 12 | K League 1 | H Gangwon FC | 0-0 | Played | 90 | 7.7 | ||
| Jul 19 | K League 1 | A Bucheon FC 1995 | 3-1 | Not in squad | — | |||
| Jul 22 | K League 1 | H Pohang Steelers | 3-1 | Not in squad | — | |||
| Jul 26 | K League 1 | H Ulsan Hyundai FC | 1-3 | Not in squad | — | |||
| Jul 29 | FA Cup | A Busan I Park | 0-2 | Not in squad | — | |||
| Aug 1 | K League 1 | A Jeonbuk Motors | 0-0 | Played | 90 | 6.8 | ||
| Aug 8 | K League 1 | A Gimcheon Sangmu FC | 0-0 | Not in squad | — | |||
| Aug 15 | K League 1 | H Daejeon Citizen | 4-2 | Not in squad | — | |||
| Aug 22 | K League 1 | A FC Anyang | 7-0 | Not in squad | — | |||
| Aug 25 | K League 1 | H Bucheon FC 1995 | 1-0 | Not in squad | — |