K. Yamazaki · career
Kosuke Yamazaki
Center Back · Yokohama FC · season-by-season, by competition, and every match.
Career report
Yamazaki is operating at his career peak — the 2025/26 level is the level.
Peak: 2025/26Holding levelRemarkably consistent
The record covers 3 seasons (2023/24–2025/26) across 2 clubs — 86 appearances with 2 goal contributions from defence.
His best campaign on record is 2025/26 at Yokohama FC — Season rating 31, 0 goals and 1 assist in 23 games. Output has held steady across his last 3 full seasons (30 → 31).
Season-to-season output barely moves — his form has stayed within a tight band (±2 points) across 3 campaigns.
By season
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2025/26 | Yokohama FC | 23 | 0 | 1 | 27 | 31 |
| 2024/25 | Sagan Tosu | 30 | 1 | 0 | 37 | 26 |
| 2023/24 | Sagan Tosu | 33 | 0 | 0 | 45 | 30 |
| 2023/24 | Yokohama FC | 31 | 0 | 0 | — | — |
| 2022/23 | Montedio Yamagata | 43 | 2 | 0 | — | — |
| 2021/22 | Montedio Yamagata | 33 | 0 | 0 | — | — |
| 2020/21 | Ehime FC | 34 | 0 | 0 | — | — |
| 2019/20 | Ehime FC | 31 | 3 | 0 | — | — |
| 2018/19 | Ehime FC | 25 | 1 | 0 | — | — |
By competition
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| J1 League | 23 | 1965 | 0 | 1 | 6.8 |
| J-League Cup | 1 | 73 | 0 | 0 | — |
Schedule · 2025/26
23 played11 unused sub16 not in squad· 1965 min, 0g 1a
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Feb 15 | J1 League | H FC Tokyo | 0-1 | Played | 90 | 7.3 | ||
| Feb 22 | J1 League | H Fagiano Okayama | 1-0 | Played | 90 | 6.9 | ||
| Feb 26 | J1 League | A Yokohama F. Marinos | 0-0 | Played | 90 | 7.5 | ||
| Mar 2 | J1 League | A Sanfrecce Hiroshima | 0-1 | Played | 90 | 6.7 | ||
| Mar 8 | J1 League | H Machida Zelvia | 0-2 | Played | 90 | 6.6 | ||
| Mar 15 | J1 League | H Cerezo Osaka | 2-0 | Played | 90 | 7.2 | ||
| Mar 20 | J-League Cup | A FC Gifu | 2-0 | Not in squad | — | |||
| Mar 29 | J1 League | A Nagoya Grampus | 1-2 | Played | 90 | 6.5 | ||
| Apr 2 | J1 League | H Vissel Kobe | 0-1 | Not in squad | — | |||
| Apr 6 | J1 League | H Shimizu S-pulse | 2-0 | Not in squad | — | |||
| Apr 13 | J1 League | A Albirex Niigata | 0-0 | Not in squad | — | |||
| Apr 16 | J-League Cup | A Kitakyushu | 2-1 | Not in squad | — | |||
| Apr 20 | J1 League | H Gamba Osaka | 1-1 | Unused sub | 0 | — | ||
| Apr 25 | J1 League | A Kyoto Sanga | 1-2 | Unused sub | 0 | — | ||
| Apr 29 | J1 League | H Kashima | 0-3 | Played | 90 | 6.2 | ||
| May 6 | J1 League | A Tokyo Verdy | 0-2 | Unused sub | 0 | — | ||
| May 10 | J1 League | H Avispa Fukuoka | 1-0 | Played | 90 | 6.9 | ||
| May 14 | J1 League | A Kawasaki Frontale | 1-2 | Played | 90 | 6.3 | ||
| May 17 | J1 League | A Shonan Bellmare | 1-0 | Played | 90 | 7.3 | ||
| May 21 | J-League Cup | H Machida Zelvia | 1-1 | Not in squad | — | |||
| May 25 | J1 League | H Kashiwa Reysol | 1-1 | Played | 90 | 6.6 | ||
| Jun 1 | J1 League | A Urawa | 1-2 | Played | 87 | 6.9 | ||
| Jun 4 | J-League Cup | A Cerezo Osaka | 1-4 | Not in squad | — | |||
| Jun 8 | J-League Cup | H Cerezo Osaka | 4-0 | Not in squad | — | |||
| Jun 14 | J1 League | H Kawasaki Frontale | 0-1 | Played | 83 | 6.9 | ||
| Jun 18 | Emperor Cup | H Grulla Morioka | 2-1 | Not in squad | — | |||
| Jun 22 | J1 League | H Sanfrecce Hiroshima | 0-4 | Played | 85 | 6.3 | ||
| Jun 28 | J1 League | A FC Tokyo | 1-2 | Played | 90 | 6.9 | ||
| Jul 5 | J1 League | H Yokohama F. Marinos | 0-1 | Played | 80 | 6.9 | ||
| Jul 16 | Emperor Cup | A Kyoto Sanga | 3-3 | Not in squad | — | |||
| Jul 20 | J1 League | A Shimizu S-pulse | 0-2 | Unused sub | 0 | — | ||
| Jul 25 | Friendlies Clubs | H Real Sociedad | 1-2 | Not in squad | — | |||
| Aug 9 | J1 League | H Urawa | 1-2 | Played | 90 | 1 | 6.9 | |
| Aug 16 | J1 League | A Vissel Kobe | 1-0 | Played | 90 | 7.6 | ||
| Aug 23 | J1 League | A Gamba Osaka | 2-3 | Played | 90 | 6.6 | ||
| Aug 30 | J1 League | H Tokyo Verdy | 0-0 | Unused sub | 0 | — | ||
| Sep 3 | J-League Cup | H Vissel Kobe | 2-0 | Not in squad | — | |||
| Sep 7 | J-League Cup | A Vissel Kobe | 0-1 | Not in squad | — | |||
| Sep 12 | J1 League | A Machida Zelvia | 1-1 | Played | 10 | 6.2 | ||
| Sep 20 | J1 League | H Albirex Niigata | 1-0 | Unused sub | 0 | — | ||
| Sep 23 | J1 League | A Fagiano Okayama | 0-0 | Played | 90 | 7.2 | ||
| Sep 28 | J1 League | H Shonan Bellmare | 1-0 | Unused sub | 0 | — | ||
| Oct 4 | J1 League | A Avispa Fukuoka | 0-1 | Unused sub | 0 | — | ||
| Oct 8 | J-League Cup | H Sanfrecce Hiroshima | 0-2 | Not in squad | — | |||
| Oct 12 | J-League Cup | A Sanfrecce Hiroshima | 1-2 | Not in squad | — | |||
| Oct 18 | J1 League | H Nagoya Grampus | 2-2 | Not in squad | — | |||
| Oct 25 | J1 League | A Kashiwa Reysol | 0-2 | Unused sub | 0 | — | ||
| Nov 8 | J1 League | A Kashima | 1-2 | Unused sub | 0 | — | ||
| Nov 30 | J1 League | H Kyoto Sanga | 0-1 | Unused sub | 0 | — | ||
| Dec 6 | J1 League | A Cerezo Osaka | 3-1 | Played | 90 | 6.3 |