Market value
€350k
Rating · 2025
6.0
Solid
Left-Back Defender
Career snapshot
9
clubs played for
2013
debut season
0.14
goals / match
Gangwon FC
top club · 59 apps
Position rank · 2025
#14
goals rank
#102
assists rank
40
season goals
14
season assists
Among 215 Defender - Left-Backs · ≥200 mins
Career highs
€500k
peak value · 2022
—
top transfer fee
12
best season · 2016
2 · 5%
pens / of goals
Born the same day
Shares 1994-12-28 · 6 players total
279Appearances
40Goals
14Assists
29Yellow cards
1Red cards
102Full matches (90′)
| Full name | In-soo Yu |
|---|---|
| Name in home country | 유인수 |
| Date of birth | 1994-12-28 (31 yrs) |
| Place of birth | Incheon, Korea, South |
| Citizenship |  Korea, South |
| Position | Defender - Left-Back (main: Defender) |
| Foot | right |
| Height | 178.00 m |
| Current club | Jeju SK |
| Joined | 2025-01-20 |
| Contract expires | — |
Jul 2025
2025 — Jeju SK
26 matches · 4 G · 1 A · across 1 competition
Jan 2025
Transfer: Gangwon FC → Jeju SK
24/25 · Transfer
Jul 2024
2024 — Gangwon FC
30 matches · 2 G · 5 A · across 2 competitions
Jul 2023
2023 — Gangwon FC, Gangwon FC Reserve (- 2023)
32 matches · 3 G · 0 A · across 5 competitions
Jan 2023
Transfer: Seongnam FC → Gangwon FC
22/23 · Transfer
Sep 2022
Transfer: Gimcheon Sangmu → Seongnam FC
22/23 · Return from loan
Jul 2022
2022 — Gimcheon Sangmu, Seongnam FC
25 matches · 3 G · 0 A · across 2 competitions
Jul 2021
2021 — Gimcheon Sangmu
20 matches · 1 G · 0 A · across 2 competitions
Mar 2021
Transfer: Seongnam FC → Gimcheon Sangmu
20/21 · Loan
Jul 2020
2020 — Seongnam FC
25 matches · 2 G · 3 A · across 3 competitions
Jan 2020
Transfer: FC Tokyo → Seongnam FC
19/20 · Transfer
Jul 2019
Injury: unknown
8 games missed
Jul 2019
2019 — FC Tokyo, FC Tokyo U23
23 matches · 4 G · 0 A · across 4 competitions
Jan 2019
Transfer: Avispa Fukuoka → FC Tokyo
18/19 · Return from loan
Jul 2018
2018 — Avispa Fukuoka
33 matches · 1 G · 2 A · across 2 competitions
Feb 2018
Injury: unknown
2 games missed
Feb 2018
Transfer: FC Tokyo → Avispa Fukuoka
17/18 · Loan
Jul 2017
2017 — FC Tokyo, FC Tokyo U23
30 matches · 8 G · 2 A · across 4 competitions
Jul 2016
2016 — FC Tokyo, FC Tokyo U23
32 matches · 12 G · 1 A · across 4 competitions
Feb 2016
Transfer: Kwangwoon Univ. → FC Tokyo
15/16 · Transfer
Jul 2015
2015 — Kwangwoon University
1 matches · 0 G · 0 A · across 1 competition
Jul 2013
2013 — Kwangwoon University
2 matches · 0 G · 0 A · across 1 competition
Jan 2013
Transfer: Eonnam HS → Kwangwoon Univ.
12/13 · Transfer
Jan 2010
Transfer: S. Kyungshin MS → Eonnam HS
09/10 · Transfer
Jan 2007
Transfer: I. Mansoobuk ES → S. Kyungshin MS
06/07 · Transfer
Jan 1970
Peak market value: €500k
Highest valuation recorded in dataset
Percentile rank vs 174 other Defender - Left-Backs with ≥500 minutes in 2025. Higher = better (except cards, where lower = better — inverted automatically).
Goals4 total · 0.71/90
Assists1 total · 0.18/90
G+A5 total · 0.89/90
Yellow cards2 total · 0.36/90
Minutes played by club
Jeju SK
5.5%
Gangwon FC
22.2%
Gangwon FC Reserve (- 2023)
1.8%
Seongnam FC
11.7%
Gimcheon Sangmu
25.3%
FC Tokyo
3.2%
FC Tokyo U23
8.0%
Avispa Fukuoka
22.3%
Kwangwoon University
0.0%
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| Jeju SK | 1 | 2025 | 2025 | 26 | 4 | 1 | 507 |
| Gangwon FC | 2 | 2023 | 2024 | 59 | 4 | 5 | 2,044 |
| Gangwon FC Reserve (- 2023) | 1 | 2023 | 2023 | 3 | 1 | 0 | 166 |
| Seongnam FC | 2 | 2020 | 2022 | 31 | 3 | 3 | 1,072 |
| Gimcheon Sangmu | 2 | 2021 | 2022 | 39 | 3 | 0 | 2,327 |
| FC Tokyo | 3 | 2016 | 2019 | 26 | 2 | 0 | 293 |
| FC Tokyo U23 | 3 | 2016 | 2019 | 59 | 22 | 3 | 738 |
| Avispa Fukuoka | 1 | 2018 | 2018 | 33 | 1 | 2 | 2,054 |
| Kwangwoon University | 2 | 2013 | 2015 | 3 | 0 | 0 | 0 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 2025 | K League 1 | Jeju SK | 26 | 4 | 1 | 2 | 0 | 507 |
| 2024 | K League 1 | Gangwon FC | 28 | 2 | 5 | 4 | 0 | 826 |
| 2024 | Korea Cup | Gangwon FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2023 | K League 1 | Gangwon FC | 20 | 1 | 0 | 0 | 0 | 1,044 |
| 2023 | K League 1 Final B | Gangwon FC | 5 | 0 | 0 | 1 | 0 | 0 |
| 2023 | K1 Promotion Playoff | Gangwon FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2023 | K4 League | Gangwon FC Reserve (- 2023) | 3 | 1 | 0 | 0 | 0 | 166 |
| 2023 | Korea Cup | Gangwon FC | 2 | 1 | 0 | 0 | 0 | 174 |
| 2022 | K League 1 | Gimcheon Sangmu | 19 | 2 | 0 | 1 | 0 | 718 |
| 2022 | K League 1 | Seongnam FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2022 | K League 1 Final B | Seongnam FC | 4 | 1 | 0 | 2 | 0 | 344 |
| 2021 | K League 2 | Gimcheon Sangmu | 19 | 1 | 0 | 2 | 0 | 1,609 |
| 2021 | Korea Cup | Gimcheon Sangmu | 1 | 0 | 0 | 0 | 0 | 0 |
| 2020 | K League 1 | Seongnam FC | 19 | 2 | 3 | 2 | 0 | 728 |
| 2020 | K League 1 Final B | Seongnam FC | 4 | 0 | 0 | 0 | 0 | 0 |
| 2020 | Korea Cup | Seongnam FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2019 | Emperor's Cup | FC Tokyo | 1 | 0 | 0 | 0 | 0 | 0 |
| 2019 | J. League Cup | FC Tokyo | 4 | 1 | 0 | 0 | 0 | 210 |
| 2019 | J1 League | FC Tokyo | 5 | 0 | 0 | 1 | 0 | 0 |
| 2019 | J3 League | FC Tokyo U23 | 13 | 3 | 0 | 1 | 0 | 319 |
| 2018 | Emperor's Cup | Avispa Fukuoka | 2 | 0 | 0 | 0 | 0 | 0 |
| 2018 | J2 League | Avispa Fukuoka | 31 | 1 | 2 | 3 | 0 | 2,054 |
| 2017 | Emperor's Cup | FC Tokyo | 1 | 0 | 0 | 0 | 0 | 0 |
| 2017 | J. League Cup | FC Tokyo | 3 | 0 | 0 | 0 | 0 | 0 |
| 2017 | J1 League | FC Tokyo | 6 | 0 | 0 | 0 | 0 | 0 |
| 2017 | J3 League | FC Tokyo U23 | 20 | 8 | 2 | 4 | 1 | 215 |
| 2016 | Emperor's Cup | FC Tokyo | 0 | 0 | 0 | 0 | 0 | 0 |
| 2016 | J. League Cup | FC Tokyo | 1 | 0 | 0 | 0 | 0 | 0 |
| 2016 | J1 - 2nd Stage | FC Tokyo | 5 | 1 | 0 | 0 | 0 | 83 |
| 2016 | J3 League | FC Tokyo U23 | 26 | 11 | 1 | 6 | 0 | 204 |
| 2015 | Korea Cup | Kwangwoon University | 1 | 0 | 0 | 0 | 0 | 0 |
| 2013 | Korea Cup | Kwangwoon University | 2 | 0 | 0 | 0 | 0 | 0 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 06/07 | 2007-01-01 | I. Mansoobuk ES | S. Kyungshin MS | Transfer | 0 | — |
| 09/10 | 2010-01-01 | S. Kyungshin MS | Eonnam HS | Transfer | 0 | — |
| 12/13 | 2013-01-01 | Eonnam HS | Kwangwoon Univ. | Transfer | 0 | — |
| 15/16 | 2016-02-01 | Kwangwoon Univ. | FC Tokyo | Transfer | 0 | — |
| 17/18 | 2018-02-01 | FC Tokyo | Avispa Fukuoka | Loan | 250000 | — |
| 18/19 | 2019-01-01 | Avispa Fukuoka | FC Tokyo | Return from loan | 250000 | — |
| 19/20 | 2020-01-03 | FC Tokyo | Seongnam FC | Transfer | 350000 | — |
| 20/21 | 2021-03-08 | Seongnam FC | Gimcheon Sangmu | Loan | 400000 | — |
| 22/23 | 2022-09-07 | Gimcheon Sangmu | Seongnam FC | Return from loan | 500000 | — |
| 22/23 | 2023-01-01 | Seongnam FC | Gangwon FC | Transfer | 450000 | — |
| 24/25 | 2025-01-20 | Gangwon FC | Jeju SK | Transfer | 350000 | — |
| Season | Injury | From | To | Days missed | Games missed |
|---|---|---|---|---|---|
| 17/18 | Shin injury | 2018-02-26 | 2018-03-15 | 18 | 2 |
| 19/20 | Internal ligament tear | 2019-07-21 | 2019-09-09 | 51 | 8 |
Current€350k
Peak€500k
Low€50k
Δ since start+€300k
| Date | Value |
|---|---|
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €300k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €400k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €450k |
| Jan 1, 1970 | €500k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €400k |
| Jan 1, 1970 | €400k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €300k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €350k |
| Jan 1, 1970 | €250k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €200k |
| Jan 1, 1970 | €50k |
No national team data.
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Je-woon Yeon | 1 | 0 | 0 |
| Dudú | 2 | 0 | 0 |
| Dong-jin Park | 2 | 1 | 0 |
| Hyeok-kyu Kwon | 2 | 0 | 0 |
| Sung-yun Gu | 2 | 0 | 0 |
| Masayuki Yamada | 1 | 0 | 0 |
| Dong-hyeon Kim | 1 | 0 | 0 |
| Jin-su Seo | 2 | 0 | 0 |
| Seok-yeong Yun | 1 | 0 | 0 |
| Gue-sung Cho | 2 | 1 | 0 |
| Seung-hyun Jung | 2 | 0 | 0 |
| Makoto Okazaki | 1 | 0 | 0 |
| Takahiro Yanagi | 1 | 1 | 0 |
| Takuya Uchida | 1 | 0 | 0 |
| Marko Tuci | 1 | 0 | 0 |
| Mun-ki Hwang | 1 | 1 | 0 |
| Kwang-yeon Lee | 2 | 0 | 0 |
| Kentaro Kakoi | 2 | 0 | 0 |
| Yoshitake Suzuki | 2 | 0 | 0 |
| Ryoya Ogawa | 2 | 2 | 0 |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
|---|---|---|---|---|
| 2016 | J3 League | FC Tokyo U23 | 11 | 26 |
| 2017 | J3 League | FC Tokyo U23 | 8 | 20 |
| 2025 | K League 1 | Jeju SK | 4 | 26 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
|---|---|---|---|---|
| 2024 | K League 1 | Gangwon FC | 5 | 28 |
| 2020 | K League 1 | Seongnam FC | 3 | 19 |
| 2017 | J3 League | FC Tokyo U23 | 2 | 20 |
Every loan spell across this player's career.
| Season | Date | From | To | Type | Fee | Value at transfer |
|---|---|---|---|---|---|---|
| 22/23 | 2022-09-07 | Gimcheon Sangmu | Seongnam FC | Return from loan | — | €500k |
| 20/21 | 2021-03-08 | Seongnam FC | Gimcheon Sangmu | Loan | — | €400k |
| 18/19 | 2019-01-01 | Avispa Fukuoka | FC Tokyo | Return from loan | — | €250k |
| 17/18 | 2018-02-01 | FC Tokyo | Avispa Fukuoka | Loan | — | €250k |
Teams faced most often by In-soo Yu's clubs during seasons he played in those competitions (team-level results, not personal head-to-head goals — see disclaimer above).
| Opponent | P | W | D | L | GF | GA | GD | Win % |
|---|---|---|---|---|---|---|---|---|
| Gamba Osaka | 22 | 9 | 6 | 7 | 26 | 18 | +8 | 41% |
| Shonan Bellmare | 22 | 10 | 9 | 3 | 24 | 18 | +6 | 45% |
| Kawasaki Frontale | 22 | 2 | 2 | 18 | 16 | 51 | -35 | 9% |
| Sanfrecce Hiroshima | 21 | 7 | 5 | 9 | 24 | 28 | -4 | 33% |
| Vissel Kobe | 21 | 6 | 3 | 12 | 22 | 28 | -6 | 29% |
| Urawa Red Diamonds | 21 | 9 | 8 | 4 | 22 | 16 | +6 | 43% |
| Nagoya Grampus | 21 | 8 | 5 | 8 | 22 | 19 | +3 | 38% |
| Kashima Antlers | 21 | 7 | 5 | 9 | 21 | 24 | -3 | 33% |
| Yokohama F. Marinos | 21 | 7 | 2 | 12 | 24 | 46 | -22 | 33% |
| Cerezo Osaka | 21 | 10 | 6 | 5 | 31 | 21 | +10 | 48% |
| Hokkaido Consadole Sapporo | 20 | 8 | 8 | 4 | 26 | 23 | +3 | 40% |
| Sagan Tosu | 20 | 6 | 6 | 8 | 18 | 22 | -4 | 30% |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
|---|---|---|
| 2013 | Senior debut season | |
| 2016 | First senior goal |
Yellow / second-yellow / red cards per season. Only seasons with at least one card are shown.
| Season | Matches | Mins | YC | 2nd YC | RC | Cards / 90′ |
|---|---|---|---|---|---|---|
| 2025 | 26 | 507 | 2 | 0 | 0 | 0.36 |
| 2024 | 30 | 826 | 4 | 0 | 0 | 0.44 |
| 2023 | 32 | 1,384 | 1 | 0 | 0 | 0.07 |
| 2022 | 25 | 1,062 | 3 | 0 | 0 | 0.25 |
| 2021 | 20 | 1,609 | 2 | 0 | 0 | 0.11 |
| 2020 | 25 | 728 | 2 | 0 | 0 | 0.25 |
| 2019 | 23 | 529 | 2 | 0 | 0 | 0.34 |
| 2018 | 33 | 2,054 | 3 | 0 | 0 | 0.13 |
| 2017 | 30 | 215 | 4 | 0 | 1 | 2.09 |
| 2016 | 32 | 287 | 6 | 0 | 0 | 1.88 |
Output by competition
Career goals and assists broken down by tournament.
J3 League
59 apps
22 G
3 A
K League 1
114 apps
11 G
9 A
J2 League
31 apps
1 G
2 A
Korea Cup
10 apps
1 G
0 A
K League 1 Final B
13 apps
1 G
0 A
K4 League
3 apps
1 G
0 A
K League 2
19 apps
1 G
0 A
J. League Cup
8 apps
1 G
0 A
J1 - 2nd Stage
5 apps
1 G
0 A
J1 League
11 apps
0 G
0 A
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Frequently asked about In-soo Yu
Who is In-soo Yu?
In-soo Yu is a Korea, professional footballer who plays as a left-back for Jeju SK.
How old is In-soo Yu?
In-soo Yu is 31 years old. He was born on December 28, 1994 in Incheon.
What position does In-soo Yu play?
In-soo Yu plays as a left-back (Defender - Left-Back).
What club does In-soo Yu play for?
In-soo Yu currently plays for Jeju SK.
How many career goals has In-soo Yu scored?
Across all senior club competitions in our dataset, In-soo Yu has scored 40 goals in 279 appearances.
What is In-soo Yu's market value?
In-soo Yu's most recent reported market value is €350k.