R. Koike · career
Ryuta Koike
Full Back · Kashima · season-by-season, by competition, and every match.
Career report
Below his 2021/22 peak but holding a solid level — the platform for a return is there.
Peak: 2021/22Holding levelBreakout: 2021/22
The record covers 5 seasons (2020/21–2025/26) across 2 clubs — 114 appearances with 23 goal contributions from defence.
His best campaign on record is 2021/22 at Yokohama F. Marinos — Season rating 43, 4 goals and 4 assists in 31 games. 2021/22 was the leap — Season rating up 22 points at Yokohama F. Marinos. Output has held steady across his last 3 full seasons (43 → 38). The gap to his peak is 4 Season points.
By season
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2026/27 | Kashima | 7 | 0 | 0 | — | — |
| 2025/26 | Kashima | 29 | 1 | 3 | 33 | 38 |
| 2024/25 | Yokohama F. Marinos | 7 | 0 | 1 | 31 | 4 |
| 2023/24 | Yokohama F. Marinos | 1 | 0 | 0 | — | — |
| 2022/23 | Yokohama F. Marinos | 26 | 3 | 2 | 51 | 38 |
| 2021/22 | Yokohama F. Marinos | 31 | 4 | 4 | 56 | 43 |
| 2020/21 | Yokohama F. Marinos | 21 | 2 | 3 | 51 | 21 |
| 2019/20 | Lokeren | 27 | 2 | 0 | — | — |
| 2019/20 | Kashiwa Reysol | 21 | 0 | 0 | — | — |
| 2018/19 | Kashiwa Reysol | 32 | 0 | 3 | — | — |
| 2017/18 | Kashiwa Reysol | 32 | 0 | 3 | — | — |
| 2016/17 | Renofa Yamaguchi | 42 | 3 | 0 | — | — |
International
| Side | Season | Competition | Apps | G |
|---|---|---|---|---|
| Japan | 2022/23 | EAFF E-1 Football Championship | 2 | 0 |
Honours
EAFF E-1 Football Championship×2J1 League×2Super Cup×2J1 League×3AFC Champions League Elite×2J.League World Challenge×2
By competition
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| J1 League | 7 | 296 | 0 | 0 | 6.7 |
Schedule · 2025/26
30 played16 not in squad· 2344 min, 1g 3a
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Jan 17 | Friendlies Clubs | H Roasso Kumamoto | 2-2 | Not in squad | — | |||
| Jan 21 | Friendlies Clubs | H Kanazawa | 3-0 | Not in squad | — | |||
| Feb 15 | J1 League | A Shonan Bellmare | 0-1 | Played | 90 | 7.0 | ||
| Feb 22 | J1 League | H Tokyo Verdy | 4-0 | Played | 90 | 1 | 7.2 | |
| Feb 26 | J1 League | H Albirex Niigata | 2-1 | Played | 90 | 1 | 7.0 | |
| Mar 1 | J1 League | H FC Tokyo | 2-0 | Played | 90 | 6.6 | ||
| Mar 8 | J1 League | A Kashiwa Reysol | 3-1 | Played | 90 | 1 | 7.0 | |
| Mar 16 | J1 League | H Urawa | 1-1 | Played | 56 | 6.6 | ||
| Mar 20 | J-League Cup | A Tochigi City | 1-0 | Not in squad | — | |||
| Mar 29 | J1 League | H Vissel Kobe | 1-0 | Played | 90 | 6.9 | ||
| Apr 2 | J1 League | A Sanfrecce Hiroshima | 0-1 | Played | 90 | 7.3 | ||
| Apr 6 | J1 League | H Kyoto Sanga | 3-4 | Played | 25 | 6.2 | ||
| Apr 9 | J-League Cup | A Renofa Yamaguchi | 1-1 | Not in squad | — | |||
| Apr 12 | J1 League | A Cerezo Osaka | 0-1 | Not in squad | — | |||
| Apr 20 | J1 League | A Fagiano Okayama | 2-1 | Not in squad | — | |||
| Apr 25 | J1 League | H Nagoya Grampus | 1-0 | Not in squad | — | |||
| Apr 29 | J1 League | A Yokohama FC | 3-0 | Not in squad | — | |||
| May 3 | J1 League | H Machida Zelvia | 1-0 | Not in squad | — | |||
| May 6 | J1 League | A Avispa Fukuoka | 1-0 | Played | 90 | 7.0 | ||
| May 11 | J1 League | H Kawasaki Frontale | 2-1 | Played | 90 | 6.5 | ||
| May 17 | J1 League | H Shimizu S-pulse | 1-0 | Played | 90 | 6.7 | ||
| May 25 | J1 League | A Yokohama F. Marinos | 1-3 | Played | 90 | 6.3 | ||
| May 31 | J1 League | A Gamba Osaka | 1-0 | Played | 90 | 7.6 | ||
| Jun 11 | Emperor Cup | H Thespakusatsu Gunma | 4-0 | Not in squad | — | |||
| Jun 14 | J1 League | H Sanfrecce Hiroshima | 1-1 | Played | 79 | 6.9 | ||
| Jun 21 | J1 League | A Machida Zelvia | 1-2 | Played | 90 | 6.5 | ||
| Jun 28 | J1 League | H Fagiano Okayama | 1-2 | Played | 90 | 1 | 7.6 | |
| Jul 5 | J1 League | A Kawasaki Frontale | 1-2 | Played | 90 | 6.5 | ||
| Jul 16 | Emperor Cup | H V-varen Nagasaki | 2-1 | Not in squad | — | |||
| Jul 20 | J1 League | H Kashiwa Reysol | 3-2 | Played | 67 | 6.2 | ||
| Aug 6 | Emperor Cup | H Avispa Fukuoka | 3-2 | Not in squad | — | |||
| Aug 10 | J1 League | A FC Tokyo | 1-0 | Played | 90 | 7.2 | ||
| Aug 16 | J1 League | H Avispa Fukuoka | 1-1 | Not in squad | — | |||
| Aug 23 | J1 League | A Albirex Niigata | 2-1 | Not in squad | — | |||
| Aug 27 | Emperor Cup | A Machida Zelvia | 0-3 | Not in squad | — | |||
| Aug 31 | J1 League | A Shimizu S-pulse | 1-1 | Played | 90 | 7.5 | ||
| Sep 13 | J1 League | H Shonan Bellmare | 3-0 | Played | 90 | 7.6 | ||
| Sep 20 | J1 League | A Urawa | 1-0 | Played | 90 | 6.9 | ||
| Sep 23 | J1 League | H Cerezo Osaka | 3-1 | Played | 90 | 6.3 | ||
| Sep 27 | J1 League | A Nagoya Grampus | 4-0 | Played | 22 | 6.2 | ||
| Oct 5 | J1 League | H Gamba Osaka | 0-0 | Played | 90 | 7.7 | ||
| Oct 17 | J1 League | A Vissel Kobe | 0-0 | Played | 69 | 7.3 | ||
| Oct 25 | J1 League | A Kyoto Sanga | 1-1 | Played | 90 | 7.2 | ||
| Nov 8 | J1 League | H Yokohama FC | 2-1 | Played | 45 | 6.7 | ||
| Nov 30 | J1 League | A Tokyo Verdy | 1-0 | Not in squad | — | |||
| Dec 6 | J1 League | H Yokohama F. Marinos | 2-1 | Played | 1 | — |