Le Havre ACAs of now, Seko has not yet won any major trophies or individual awards. He continues to establish himself in European football with Le Havre.
Ayumu Seko is a Japanese centre-back who currently plays for Le Havre AC in Ligue 1. He began his professional career in Japan before moving to Europe to further his development. Known for his defensive solidity, Seko has represented Japan at various youth levels.
Seko is a composed and strong defender who excels in aerial duels and reading the game. He is comfortable playing out from the back and has good positional awareness. His main weakness is his lack of pace, which can be exposed against faster attackers.
| Season | Comp | Apps | G | A | YC | RC | Min |
|---|---|---|---|---|---|---|---|
| 25/26 | International Friendlies | 7 | 0 | 0 | 0 | 0 | 461 |
| 25/26 | Coupe de France | 0 | 0 | 0 | 0 | 0 | 0 |
| 25/26 | Ligue 1 | 30 | 0 | 0 | 6 | 0 | 2625 |
| 24/25 | Swiss Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 24/25 | Super League | 37 | 0 | 1 | 6 | 0 | 3284 |
| 24/25 | Super League Barrage | 2 | 1 | 0 | 1 | 0 | 180 |
| 23/24 | World Cup qualification Asia | 4 | 0 | 0 | 1 | 0 | 315 |
| 23/24 | Swiss Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 23/24 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | Super League | 36 | 1 | 0 | 4 | 0 | 2902 |
| 23/24 | Super League Barrage | 2 | 0 | 0 | 0 | 0 | 180 |
| 22/23 | Swiss Cup | 3 | 2 | 0 | 0 | 1 | 174 |
| 22/23 | International Friendlies | 3 | 0 | 0 | 0 | 0 | 130 |
| 22/23 | Super League | 31 | 0 | 1 | 5 | 0 | 2727 |
| 21/22 | International Friendlies | 1 | 0 | 0 | 1 | 0 | 45 |
| 21/22 | Super League | 13 | 0 | 0 | 2 | 0 | 1096 |
| 2025 | East Asian Football Championship | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | AFC Asian Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | Olympic Games | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | Emperor's Cup | 3 | 0 | 0 | 0 | 0 | 270 |
| 2021 | J. League Cup | 3 | 0 | 0 | 0 | 0 | 270 |
| 2021 | J1 League | 27 | 0 | 1 | 3 | 0 | 2354 |
| 2021 | AFC Champions League (- 2024) | 5 | 0 | 0 | 1 | 0 | 333 |
| 2020 | J. League Cup | 4 | 0 | 0 | 0 | 0 | 270 |
| 2020 | J1 League | 27 | 1 | 0 | 3 | 0 | 2217 |
| 2019 | Emperor's Cup | 3 | 0 | 0 | 1 | 0 | 300 |
| 2019 | J. League Cup | 6 | 0 | 0 | 0 | 0 | 540 |
| 2019 | J3 League | 7 | 0 | 0 | 3 | 0 | 541 |
| 2019 | J1 League | 13 | 1 | 1 | 1 | 0 | 1085 |
| 2019 | U20 World Cup | 3 | 0 | 0 | 0 | 0 | 270 |
| 2018 | J3 League | 16 | 1 | 2 | 0 | 0 | 1282 |
| 2018 | J. Youth League | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | Emperor's Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | J. League Cup | 3 | 0 | 0 | 1 | 0 | 35 |
| 2017 | J3 League | 11 | 0 | 0 | 1 | 0 | 880 |
| 2017 | J1 League | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | Prince Takamado U18 Premier League West | 0 | 0 | 0 | 0 | 0 | 0 |
| 2016 | J3 League | 1 | 0 | 0 | 0 | 0 | 1 |
| 2016 | Prince Takamado U18 Premier League West | 0 | 0 | 0 | 0 | 0 | 0 |
| 20/21 | International Friendlies | 1 | 0 | 1 | 0 | 0 | 90 |
| 19/20 | International Friendlies | 1 | 0 | 1 | 0 | 0 | 90 |
| 18/19 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 122 |
| 17/18 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 17/18 | AFC U19 Championship 2018 | 4 | 0 | 0 | 2 | 0 | 271 |
| 16/17 | International Friendlies | 4 | 0 | 0 | 0 | 0 | 280 |
| 15/16 | International Friendlies | 4 | 0 | 0 | 1 | 0 | 350 |
| Date | Opponent | H/A | Result | Competition | Min | G | A | YC |
|---|---|---|---|---|---|---|---|---|
| 2026-05-31 | Iceland | 🏠 | 1:0 | International Friendlies | 45 | 0 | 0 | 0 |
| 2026-03-31 | Japan | ✈ | 0:1 | International Friendlies | 24 | 0 | 0 | 0 |
| 2026-03-28 | Japan | ✈ | 0:1 | International Friendlies | 77 | 0 | 0 | 0 |
| 2025-11-18 | Bolivia | 🏠 | 3:0 | International Friendlies | 90 | 0 | 0 | 0 |
| 2025-11-14 | Ghana | 🏠 | 2:0 | International Friendlies | - | 0 | 0 | 0 |
| 2025-10-14 | Brazil | 🏠 | 3:2 | International Friendlies | - | 0 | 0 | 0 |
| 2025-10-10 | Paraguay | 🏠 | 2:2 | International Friendlies | 90 | 0 | 0 | 0 |
| 2025-09-09 | Japan | ✈ | 2:0 | International Friendlies | 45 | 0 | 0 | 0 |
| 2025-09-07 | Japan | ✈ | 0:0 | International Friendlies | 90 | 0 | 0 | 0 |
| 2025-07-15 | Japan | ✈ | 0:1 | East Asian Football Championship | - | 0 | 0 | 0 |
| 2025-07-12 | Japan | - | 0:0 | East Asian Football Championship | - | 0 | 0 | 0 |
| 2025-07-08 | Japan | - | 1:1 | East Asian Football Championship | - | 0 | 0 | 0 |
| 2025-06-10 | Indonesia | 🏠 | 6:0 | World Cup qualification Asia | 90 | 0 | 0 | 0 |
| 2025-06-05 | Japan | ✈ | 1:0 | World Cup qualification Asia | 45 | 0 | 0 | 0 |
| 2025-03-25 | Saudi Arabia | 🏠 | 0:0 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2025-03-20 | Bahrain | 🏠 | 2:0 | World Cup qualification Asia | 90 | 0 | 0 | 0 |
| 2024-11-19 | Japan | ✈ | 1:3 | World Cup qualification Asia | 90 | 0 | 0 | 1 |
| 2024-11-15 | Japan | ✈ | 0:4 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-10-15 | Australia | 🏠 | 1:1 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-10-10 | Japan | ✈ | 0:2 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-09-10 | Japan | ✈ | 0:5 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-09-05 | China | 🏠 | 7:0 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-06-11 | Syria | 🏠 | 5:0 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-06-06 | Japan | ✈ | 0:5 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-03-26 | Japan | ✈ | 0:3 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-03-21 | North Korea | 🏠 | 1:0 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2024-02-03 | Japan | ✈ | 2:1 | AFC Asian Cup | - | 0 | 0 | 0 |
| 2024-01-31 | Japan | ✈ | 1:3 | AFC Asian Cup | - | 0 | 0 | 0 |
| 2024-01-24 | Japan | ✈ | 1:3 | AFC Asian Cup | - | 0 | 0 | 0 |
| 2024-01-19 | Japan | ✈ | 2:1 | AFC Asian Cup | - | 0 | 0 | 0 |
| 2024-01-14 | Japan | ✈ | 2:4 | AFC Asian Cup | - | 0 | 0 | 0 |
| 2024-01-01 | Thailand | 🏠 | 5:0 | International Friendlies | - | 0 | 0 | 0 |
| 2023-11-21 | Japan | ✈ | 0:5 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2023-11-16 | Myanmar | 🏠 | 5:0 | World Cup qualification Asia | - | 0 | 0 | 0 |
| 2023-10-17 | Tunisia | 🏠 | 2:0 | International Friendlies | - | 0 | 0 | 0 |
| 2023-10-13 | Canada | 🏠 | 4:1 | International Friendlies | - | 0 | 0 | 0 |
| 2023-09-12 | Japan | ✈ | 2:4 | International Friendlies | - | 0 | 0 | 0 |
| 2023-09-09 | Japan | ✈ | 1:4 | International Friendlies | - | 0 | 0 | 0 |
| 2023-06-20 | Peru | 🏠 | 4:1 | International Friendlies | 9 | 0 | 0 | 0 |
| 2023-06-15 | El Salvador | 🏠 | 6:0 | International Friendlies | - | 0 | 0 | 0 |
| 2023-03-28 | Colombia | 🏠 | 1:2 | International Friendlies | 31 | 0 | 0 | 0 |
| 2023-03-24 | Uruguay | 🏠 | 1:1 | International Friendlies | 90 | 0 | 0 | 0 |