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Active
Sung-yun Gu
Market value
€500K
21 May 2026
Club
Football Club SeoulGoalkeeper
- Position detail
- Goalkeeper
- Preferred foot
- Right
- Born
- 27 June 1994
- Place of birth
- Pohang, Gyeongbuk, South Korea
- Height
- 1.97 m
- Nationality
- South Korea
- At club since
- 16 January 2026
Shirt numbers
Squad numbers are recorded from 2013 onwards.
Club
| Season | Club | Number | Matches |
|---|---|---|---|
| 2026 | FC Seoul | 25 | 16 |
| 2025 |  Kyoto Sanga | 1 | 3 |
Career moves
| Season | To | Type | Fee |
|---|---|---|---|
| 25/26 | FC Seoul | Undisclosed | |
| 25/26 |  Seoul E-Land | Transfer | Undisclosed |
| 23/24 | Kyoto Sanga | Transfer | Undisclosed |
| 23/24 |  H. C. Sapporo | Transfer | Free transfer |
| 23/24 | Kyoto Sanga | Transfer | Free transfer |
| 22/23 | H. C. Sapporo | Transfer | Undisclosed |
| 22/23 |  Without Club | Transfer | Undisclosed |
| 22/23 |  Daegu FC | Transfer | Free transfer |
| 20/21 |  Gimcheon Sangmu | Transfer | Free transfer |
| 20/21 | Daegu FC | Transfer | Free transfer |
Market value
Current
€500K
Highest ever
€1.4M
on 5 January 2019
- 5 Jul 2013: €25k, Cerezo Osaka
- 1 Jul 2015: €250k, C'dole Sapporo
- 22 Jun 2016: €475k, C'dole Sapporo
- 25 Mar 2017: €600k, C'dole Sapporo
- 5 Jan 2018: €825k, C'dole Sapporo
- 5 Jan 2019: €1.40m, C'dole Sapporo
- 28 Dec 2019: €1.30m, C'dole Sapporo
- 8 Apr 2020: €1m, C'dole Sapporo
- 27 Jul 2020: €850k, Daegu FC
- 22 Jun 2021: €850k, Gimcheon Sangmu
- 18 Jun 2022: €825k, Gimcheon Sangmu
- 7 Oct 2022: €750k, Without Club
- 16 Nov 2022: €700k, Without Club
- 28 Jun 2023: €600k, C'dole Sapporo
- 22 Feb 2024: €600k, Kyoto Sanga
- 10 Dec 2024: €650k, Kyoto Sanga
- 29 May 2025: €550k, Kyoto Sanga
- 16 Dec 2025: €500k, Seoul E-Land
- 21 May 2026: €500k, Football Club Seoul
Last change
Common questions
Which club does Sung-yun Gu play for?
- The current club of Sung-yun Gu is Football Club Seoul.
What shirt number did Sung-yun Gu wear?
- Sung-yun Gu wore the number 25 shirt in the 2026 season. The club was FC Seoul.
What position does Sung-yun Gu play?
- Sung-yun Gu plays in the position of Goalkeeper.
How old is Sung-yun Gu?
- Sung-yun Gu is 32 years old, born on 27 June 1994.
What is the market value of Sung-yun Gu?
- The market value of Sung-yun Gu is €500K, recorded on 21 May 2026.
What is the highest market value recorded for Sung-yun Gu?
- The highest market value recorded for Sung-yun Gu is €1.4M, on 5 January 2019.
How many international matches has Sung-yun Gu played?
- Sung-yun Gu has played 5 matches at international level. The national team on record is South Korea.
What is the nationality of Sung-yun Gu?
- The nationality of Sung-yun Gu is South Korea.
Where was Sung-yun Gu born?
- Sung-yun Gu was born in Pohang, Gyeongbuk, South Korea.
How tall is Sung-yun Gu?
- The height of Sung-yun Gu is 1.97 m.
Which foot does Sung-yun Gu prefer?
- Sung-yun Gu prefers the right foot.
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