| Personal information | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Full name | Ryuta Koike | ||||||||||||||||
| Date of birth | August 29, 1995 | ||||||||||||||||
| Place of birth | Hachiōji, Tokyo, Japan | ||||||||||||||||
| Height | 1.69 m (5 ft 6+1⁄2 in) | ||||||||||||||||
| Position | Right back | ||||||||||||||||
| Team information | |||||||||||||||||
Current team | Kashima Antlers | ||||||||||||||||
| Number | 25 | ||||||||||||||||
| Youth career | |||||||||||||||||
| 2008–2013 | JFA Academy Fukushima | ||||||||||||||||
| Senior career* | |||||||||||||||||
| Years | Team | Apps | (Gls) | ||||||||||||||
| 2014–2016 | Renofa Yamaguchi | 89 | (4) | ||||||||||||||
| 2017–2019 | Kashiwa Reysol | 85 | (0) | ||||||||||||||
| 2019–2020 | Lokeren | 27 | (2) | ||||||||||||||
| 2020–2024 | Yokohama F. Marinos | 85 | (9) | ||||||||||||||
| 2025– | Kashima Antlers | 37 | (1) | ||||||||||||||
| International career‡ | |||||||||||||||||
| 2022– | Japan | 2 | (0) | ||||||||||||||
Medal record
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* Club domestic league appearances and goals as of 9 August 2026 ‡ National team caps and goals as of 27 July 2022 | |||||||||||||||||
Ryuta Koike (小池 龍太, Koike Ryūta; born August 29, 1995) is a Japanese professional footballer who plays as a right back for J1 League club Kashima Antlers and the Japan national team.
During his five years-stint with JFA Academy, he was moved from midfield to defence. He was signed by Renofa Yamaguchi in January 2014.
He was signed by Renofa Yamaguchi in January 2014.
In December 2024, it was announced that Koike would be joining Kashima Antlers for the 2025 season.
| Club | Season | League | National Cup | League Cup | Continental | Other | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Renofa Yamaguchi | 2014 | JFL | 17 | 0 | 0 | 0 | – | – | 0 | 0 | 17 | 0 | ||
| 2015 | J3 League | 30 | 1 | 1 | 0 | – | – | 0 | 0 | 31 | 1 | |||
| 2016 | J2 League | 42 | 3 | 3 | 0 | – | – | 0 | 0 | 45 | 3 | |||
| Total | 89 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 93 | 4 | ||
| Kashiwa Reysol | 2017 | J1 League | 32 | 0 | 3 | 0 | 3 | 0 | – | 0 | 0 | 38 | 0 | |
| 2018 | J1 League | 32 | 0 | 0 | 0 | 4 | 0 | 5 | 0 | 0 | 0 | 41 | 0 | |
| 2019 | J2 League | 21 | 0 | 1 | 0 | 0 | 0 | – | 0 | 0 | 22 | 0 | ||
| Total | 85 | 0 | 4 | 0 | 7 | 0 | 5 | 0 | 0 | 0 | 101 | 1 | ||
| KSC Lokeren | 2019–20 | First Division B | 27 | 2 | 2 | 0 | – | – | 0 | 0 | 29 | 2 | ||
| Yokohama F. Marinos | 2020 | J1 League | 21 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 24 | 2 |
| 2021 | J1 League | 31 | 4 | 0 | 0 | 7 | 0 | 3 | 0 | 0 | 0 | 38 | 4 | |
| 2022 | J1 League | 26 | 3 | 0 | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 33 | 3 | |
| 2023 | J1 League | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 2024 | J1 League | 7 | 0 | 2 | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 16 | 0 | |
| Total | 85 | 9 | 2 | 0 | 13 | 0 | 15 | 0 | 0 | 0 | 112 | 9 | ||
| Kashima Antlers | 2025 | J1 League | 30 | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 34 | 1 |
| 2026 | J1 100 Year Vision League | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Total | 32 | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 36 | 1 | ||
| Career total | 318 | 16 | 14 | 0 | 22 | 0 | 20 | 0 | 0 | 0 | 371 | 16 | ||
Yokohama F. Marinos
Kashima Antlers