Ayumu Seko
Defender - Centre-Back
at Le Havre AC
at Le Havre AC
307 days · joined 2025-07-22
👕200+ Apps
🏴25+ Caps
Market value
€1.00m
Centre-Back Defender
Career snapshot
4
clubs played for
20/21
debut season
0.03
goals / match
Grasshopper Club Zurich
top club · 126 apps
Career highs
€3.00m
peak value · 2023
—
top transfer fee
2
best season · 22/23
29 / 0
int'l caps / goals
Born the same day
Shares 2000-06-07 · 6 players total
258Appearances
7Goals
6Assists
32Yellow cards
1Red cards
86Full matches (90′)
| Full name | Ayumu Seko |
|---|---|
| Name in home country | 瀬古 歩夢 |
| Date of birth | 2000-06-07 (25 yrs) |
| Place of birth | Osaka, Osaka, Japan |
| Citizenship |  Japan |
| Position | Defender - Centre-Back (main: Defender) |
| Foot | right |
| Height | 186.00 m |
| Current club | Le Havre AC |
| Joined | 2025-07-22 |
| Contract expires | 2027-06-30 |
| Agent | Sports360 GmbH |
Jul 2025
Transfer: Grasshoppers → Le Havre AC
25/26 · Transfer
Jul 2025
25/26 — Le Havre AC
3 matches · 0 G · 0 A · across 1 competition
Jul 2024
24/25 — Grasshopper Club Zurich
40 matches · 1 G · 1 A · across 3 competitions
Jul 2023
23/24 — Grasshopper Club Zurich
39 matches · 1 G · 0 A · across 3 competitions
Jul 2022
22/23 — Grasshopper Club Zurich
34 matches · 2 G · 1 A · across 2 competitions
Jan 2022
Transfer: Cerezo Osaka → Grasshoppers
21/22 · Transfer
Jul 2021
2021 — Cerezo Osaka
33 matches · 0 G · 1 A · across 3 competitions
Jul 2021
21/22 — Grasshopper Club Zurich
13 matches · 0 G · 0 A · across 1 competition
Jul 2020
20/21 — Cerezo Osaka
5 matches · 0 G · 0 A · across 1 competition
Jul 2020
2020 — Cerezo Osaka
31 matches · 1 G · 0 A · across 2 competitions
Jul 2019
2019 — Cerezo Osaka, Cerezo Osaka U23
29 matches · 1 G · 1 A · across 4 competitions
Feb 2019
Transfer: Cerezo U18 → Cerezo Osaka
18/19 · Transfer
Jul 2018
2018 — Cerezo Osaka U23
16 matches · 1 G · 2 A · across 1 competition
Jul 2017
2017 — Cerezo Osaka, Cerezo Osaka U23
14 matches · 0 G · 0 A · across 3 competitions
Jul 2016
2016 — Cerezo Osaka U23
1 matches · 0 G · 0 A · across 1 competition
Apr 2016
Transfer: Cerezo Jg → Cerezo U18
15/16 · Transfer
Jan 1970
Peak market value: €3.00m
Highest valuation recorded in dataset
Minutes played by club
Le Havre AC
0.0%
Grasshopper Club Zurich
40.9%
Cerezo Osaka
42.6%
Cerezo Osaka U23
16.5%
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| Le Havre AC | 1 | 25/26 | 25/26 | 3 | 0 | 0 | 0 |
| Grasshopper Club Zurich | 4 | 21/22 | 24/25 | 126 | 4 | 2 | 3,169 |
| Cerezo Osaka | 5 | 20/21 | 2021 | 94 | 2 | 2 | 3,302 |
| Cerezo Osaka U23 | 4 | 2016 | 2019 | 35 | 1 | 2 | 1,282 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Ligue 1 | Le Havre AC | 3 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | Super League | Grasshopper Club Zurich | 37 | 0 | 1 | 6 | 0 | 0 |
| 24/25 | Super League Barrage | Grasshopper Club Zurich | 2 | 1 | 0 | 1 | 0 | 180 |
| 24/25 | Swiss Cup | Grasshopper Club Zurich | 1 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | Super League | Grasshopper Club Zurich | 36 | 1 | 0 | 4 | 0 | 2,902 |
| 23/24 | Super League Barrage | Grasshopper Club Zurich | 2 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | Swiss Cup | Grasshopper Club Zurich | 1 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | Super League | Grasshopper Club Zurich | 31 | 0 | 1 | 5 | 0 | 0 |
| 22/23 | Swiss Cup | Grasshopper Club Zurich | 3 | 2 | 0 | 0 | 1 | 87 |
| 21/22 | Super League | Grasshopper Club Zurich | 13 | 0 | 0 | 2 | 0 | 0 |
| 2021 | Emperor's Cup | Cerezo Osaka | 3 | 0 | 0 | 0 | 0 | 0 |
| 2021 | J. League Cup | Cerezo Osaka | 3 | 0 | 0 | 0 | 0 | 0 |
| 2021 | J1 League | Cerezo Osaka | 27 | 0 | 1 | 3 | 0 | 0 |
| 2020 | J. League Cup | Cerezo Osaka | 4 | 0 | 0 | 0 | 0 | 0 |
| 2020 | J1 League | Cerezo Osaka | 27 | 1 | 0 | 3 | 0 | 2,217 |
| 2019 | Emperor's Cup | Cerezo Osaka | 3 | 0 | 0 | 1 | 0 | 0 |
| 2019 | J. League Cup | Cerezo Osaka | 6 | 0 | 0 | 0 | 0 | 0 |
| 2019 | J1 League | Cerezo Osaka | 13 | 1 | 1 | 1 | 0 | 1,085 |
| 2019 | J3 League | Cerezo Osaka U23 | 7 | 0 | 0 | 3 | 0 | 0 |
| 2018 | J3 League | Cerezo Osaka U23 | 16 | 1 | 2 | 0 | 0 | 1,282 |
| 2017 | J. League Cup | Cerezo Osaka | 3 | 0 | 0 | 1 | 0 | 0 |
| 2017 | J1 League | Cerezo Osaka | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | J3 League | Cerezo Osaka U23 | 11 | 0 | 0 | 1 | 0 | 0 |
| 2016 | J3 League | Cerezo Osaka U23 | 1 | 0 | 0 | 0 | 0 | 0 |
| 20/21 | AFC Champions League | Cerezo Osaka | 5 | 0 | 0 | 1 | 0 | 0 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 15/16 | 2016-04-01 | Cerezo Jg | Cerezo U18 | Transfer | 0 | — |
| 18/19 | 2019-02-01 | Cerezo U18 | Cerezo Osaka | Transfer | 50000 | — |
| 21/22 | 2022-01-18 | Cerezo Osaka | Grasshoppers | Transfer | 900000 | — |
| 25/26 | 2025-07-22 | Grasshoppers | Le Havre AC | Transfer | 1000000 | — |
No recorded injuries.
Current€1.00m
Peak€3.00m
Low€50k
Δ since start+€850k
| Date | Value |
|---|---|
| Jan 1, 1970 | €1.00m |
| Jan 1, 1970 | €1.70m |
| Jan 1, 1970 | €1.50m |
| Jan 1, 1970 | €1.00m |
| Jan 1, 1970 | €2.40m |
| Jan 1, 1970 | €3.00m |
| Jan 1, 1970 | €1.50m |
| Jan 1, 1970 | €2.00m |
| Jan 1, 1970 | €900k |
| Jan 1, 1970 | €1.30m |
| Jan 1, 1970 | €1.30m |
| Jan 1, 1970 | €800k |
| Jan 1, 1970 | €800k |
| Jan 1, 1970 | €450k |
| Jan 1, 1970 | €500k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €150k |
| Team | Shirt | Matches | Goals | Debut | Age at debut | Status |
|---|---|---|---|---|---|---|
| Team #77815 | — | 1 | 0 | — | — | former national player |
| Team #53813 | #21 | 0 | 0 | — | — | former national player |
| Team #51367 | #5 | 4 | 0 | — | — | former national player |
| Team #28642 | #21 | 2 | 0 | — | — | former national player |
| Team #28425 | #15 | 4 | 0 | — | — | former national player |
| Team #25507 | — | 4 | 0 | — | — | former national player |
| Team #22360 | #4 | 5 | 0 | — | — | former national player |
| Team #3435 | #22 | 9 | 0 | — | — | current national player |
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Dirk Abels | 1 | 0 | 0 |
| Christián Herc | 1 | 1 | 0 |
| Dominik Schmid | 1 | 0 | 0 |
| Bendegúz Bolla | 1 | 0 | 0 |
| Hayao Kawabe | 1 | 2 | 0 |
| Toshiyuki Takagi | 2 | 0 | 0 |
| Eiichi Katayama | 2 | 0 | 0 |
| Matej Jonjic | 2 | 0 | 0 |
| Tim Meyer | 1 | 0 | 0 |
| Francis Momoh | 1 | 0 | 0 |
| Maksim Paskotsi | 1 | 0 | 0 |
| Amir Abrashi | 1 | 0 | 0 |
| Filipe de Carvalho | 1 | 0 | 0 |
| Tatsuhiro Sakamoto | 2 | 0 | 0 |
| Hiroshi Kiyotake | 2 | 1 | 0 |
| Riku Matsuda | 2 | 0 | 0 |
| Tsiy Ndenge | 1 | 0 | 0 |
| Jin-hyeon Kim | 2 | 0 | 0 |
| Hiroaki Okuno | 2 | 0 | 0 |
| Justin Hammel | 1 | 0 | 0 |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
|---|---|---|---|---|
| 22/23 | Swiss Cup | Grasshopper Club Zurich | 2 | 3 |
| 2020 | J1 League | Cerezo Osaka | 1 | 27 |
| 2018 | J3 League | Cerezo Osaka U23 | 1 | 16 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
|---|---|---|---|---|
| 2018 | J3 League | Cerezo Osaka U23 | 2 | 16 |
| 2021 | J1 League | Cerezo Osaka | 1 | 27 |
| 2019 | J1 League | Cerezo Osaka | 1 | 13 |
Last 38 matches for Le Havre AC while Ayumu Seko was at the club (joined 2025-07-22). The Availability column cross-references our injury database — matches inside a known injury window are flagged INJURED. Per-match goal attribution requires a paid feed (FBref/Sofascore) and isn't wired up yet.
| Date | Comp | Home | Score | Away | Availability |
|---|---|---|---|---|---|
| 2026-05-17 | FR1 |
FC Lorient | – | Le Havre AC | TIMED |
| 2026-05-10 | FR1 |
Le Havre AC | 0–1 | Olympique de Marseille | Available |
| 2026-05-10 | FR1 |
Le Havre AC | 0–1 | Olympique de Marseille | Available |
| 2026-05-03 | FR1 |
Lille OSC | 1–1 | Le Havre AC | Available |
| 2026-05-03 | FR1 |
Lille OSC | 1–1 | Le Havre AC | Available |
| 2026-04-26 | FR1 |
Le Havre AC | 4–4 | FC Metz | Available |
| 2026-04-26 | FR1 |
Le Havre AC | 4–4 | FC Metz | Available |
| 2026-04-18 | FR1 |
Angers SCO | 1–1 | Le Havre AC | Available |
| 2026-04-18 | FR1 |
Angers SCO | 1–1 | Le Havre AC | Available |
| 2026-04-12 | FR1 |
OGC Nice | 1–1 | Le Havre AC | Available |
| 2026-04-05 | FR1 |
Le Havre AC | 1–1 | AJ Auxerre | Available |
| 2026-03-22 | FR1 |
Paris FC | 3–2 | Le Havre AC | Available |
| 2026-03-15 | FR1 |
Le Havre AC | 0–0 | Olympique Lyonnais | Available |
| 2026-03-08 | FR1 |
Stade Brestois 29 | 2–0 | Le Havre AC | Available |
| 2026-02-28 | FR1 |
Le Havre AC | 0–1 | Paris Saint-Germain FC | Available |
| 2026-02-22 | FR1 |
FC Nantes | 2–0 | Le Havre AC | Available |
| 2026-02-15 | FR1 |
Le Havre AC | 2–1 | Toulouse FC | Available |
| 2026-02-08 | FR1 |
Le Havre AC | 2–1 | RC Strasbourg Alsace | Available |
| 2026-01-30 | FR1 |
Racing Club de Lens | 1–0 | Le Havre AC | Available |
| 2026-01-24 | FR1 |
Le Havre AC | 0–0 | AS Monaco FC | Available |
| 2026-01-18 | FR1 |
Stade Rennais FC 1901 | 1–1 | Le Havre AC | Available |
| 2026-01-04 | FR1 |
Le Havre AC | 2–1 | Angers SCO | Available |
| 2025-12-14 | FR1 |
Olympique Lyonnais | 1–0 | Le Havre AC | Available |
| 2025-12-07 | FR1 |
Le Havre AC | 0–0 | Paris FC | Available |
| 2025-11-30 | FR1 |
Le Havre AC | 0–1 | Lille OSC | Available |
| 2025-11-22 | FR1 |
Paris Saint-Germain FC | 3–0 | Le Havre AC | Available |
| 2025-11-08 | FR1 |
Le Havre AC | 1–1 | FC Nantes | Available |
| 2025-11-02 | FR1 |
Toulouse FC | 0–0 | Le Havre AC | Available |
| 2025-10-29 | FR1 |
Le Havre AC | 1–0 | Stade Brestois 29 | Available |
| 2025-10-26 | FR1 |
AJ Auxerre | 0–1 | Le Havre AC | Available |
| 2025-10-18 | FR1 |
Olympique de Marseille | 6–2 | Le Havre AC | Available |
| 2025-10-05 | FR1 |
Le Havre AC | 2–2 | Stade Rennais FC 1901 | Available |
| 2025-09-28 | FR1 |
FC Metz | 0–0 | Le Havre AC | Available |
| 2025-09-21 | FR1 |
Le Havre AC | 1–1 | FC Lorient | Available |
| 2025-09-14 | FR1 |
RC Strasbourg Alsace | 1–0 | Le Havre AC | Available |
| 2025-08-31 | FR1 |
Le Havre AC | 3–1 | OGC Nice | Available |
| 2025-08-24 | FR1 |
Le Havre AC | 1–2 | Racing Club de Lens | Available |
| 2025-08-16 | FR1 |
AS Monaco FC | 3–1 | Le Havre AC | Available |
Teams faced most often by Ayumu Seko'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 % |
|---|---|---|---|---|---|---|---|---|
| Vissel Kobe | 6 | 3 | 0 | 3 | 8 | 8 | 0 | 50% |
| Kawasaki Frontale | 6 | 4 | 2 | 0 | 11 | 3 | +8 | 67% |
| Hokkaido Consadole Sapporo | 6 | 1 | 3 | 2 | 11 | 10 | +1 | 17% |
| Avispa Fukuoka | 6 | 3 | 1 | 2 | 7 | 3 | +4 | 50% |
| Sagan Tosu | 6 | 4 | 1 | 1 | 9 | 5 | +4 | 67% |
| Kashima Antlers | 6 | 0 | 2 | 4 | 4 | 11 | -7 | 0% |
| Gamba Osaka | 6 | 5 | 0 | 1 | 9 | 4 | +5 | 83% |
| Yokohama F. Marinos | 6 | 1 | 3 | 2 | 8 | 13 | -5 | 17% |
| Nagoya Grampus | 6 | 2 | 0 | 4 | 7 | 9 | -2 | 33% |
| Kashiwa Reysol | 6 | 1 | 4 | 1 | 3 | 3 | 0 | 17% |
| FC Tokyo | 6 | 1 | 1 | 4 | 4 | 12 | -8 | 17% |
| Kyoto Sanga FC | 6 | 1 | 3 | 2 | 6 | 8 | -2 | 17% |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
|---|---|---|
| 20/21 | Senior debut season | |
| 2018 | 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′ |
|---|---|---|---|---|---|---|
| 24/25 | 40 | 180 | 7 | 0 | 0 | 3.5 |
| 23/24 | 39 | 2,902 | 4 | 0 | 0 | 0.12 |
| 22/23 | 34 | 87 | 5 | 1 | 1 | 7.24 |
| 21/22 | 13 | 0 | 2 | 0 | 0 | 0 |
| 2021 | 33 | 0 | 3 | 0 | 0 | 0 |
| 2020 | 31 | 2,217 | 3 | 0 | 0 | 0.12 |
| 2019 | 29 | 1,085 | 5 | 0 | 0 | 0.41 |
| 2017 | 14 | 0 | 2 | 0 | 0 | 0 |
| 20/21 | 5 | 0 | 1 | 0 | 0 | 0 |
Output by competition
Career goals and assists broken down by tournament.
J1 League
67 apps
2 G
2 A
Swiss Cup
5 apps
2 G
0 A
Super League
117 apps
1 G
2 A
J3 League
35 apps
1 G
2 A
Super League Barrage
4 apps
1 G
0 A
Emperor's Cup
6 apps
0 G
0 A
J. League Cup
16 apps
0 G
0 A
AFC Champions League
5 apps
0 G
0 A
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Frequently asked about Ayumu Seko
Who is Ayumu Seko?
Ayumu Seko is a Japan professional footballer who plays as a centre-back for Le Havre AC.
How old is Ayumu Seko?
Ayumu Seko is 25 years old. He was born on June 7, 2000 in Osaka, Osaka.
What position does Ayumu Seko play?
Ayumu Seko plays as a centre-back (Defender - Centre-Back).
What club does Ayumu Seko play for?
Ayumu Seko currently plays for Le Havre AC.
How many career goals has Ayumu Seko scored?
Across all senior club competitions in our dataset, Ayumu Seko has scored 7 goals in 258 appearances.
What is Ayumu Seko's market value?
Ayumu Seko's most recent reported market value is €1.00m.