K. Koizumi · career
Kei Koizumi
Defensive · Shimizu S-pulse · season-by-season, by competition, and every match.
Career report
Below his 2022/23 peak but holding a solid level — the platform for a return is there.
Peak: 2022/23Holding levelBreakout: 2022/23Remarkably consistent4 clubs
The record covers 7 seasons (2020/21–2025/26) across 4 clubs — 178 appearances, 5 goals and 6 assists.
His best campaign on record is 2022/23 at Sagan Tosu — Season rating 38, 1 goal and 2 assists in 30 games. 2022/23 was the leap — Season rating up 22 points at Sagan Tosu. Output has held steady across his last 3 full seasons (29 → 24). The gap to his peak is 14 Season points.
Season-to-season output barely moves — his form has stayed within a tight band (±7 points) across 6 campaigns.
By season
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2027/28 | Shimizu S-pulse | 3 | 0 | 0 | 23 | 24 |
| 2026/27 | FC Tokyo | 10 | 0 | 1 | — | — |
| 2025/26 | FC Tokyo | 30 | 1 | 2 | 24 | 24 |
| 2024/25 | FC Tokyo | 34 | 1 | 1 | 35 | 25 |
| 2023/24 | FC Tokyo | 31 | 1 | 0 | 40 | 29 |
| 2022/23 | Sagan Tosu | 30 | 1 | 2 | 44 | 38 |
| 2021/22 | Sagan Tosu | 28 | 0 | 0 | 44 | 16 |
| 2021/22 | Kashima | 17 | 0 | 0 | — | — |
| 2020/21 | Kashima | 22 | 1 | 1 | 49 | 26 |
| 2019/20 | Kashima | 7 | 0 | 0 | — | — |
| 2019/20 | Kashiwa Reysol | 4 | 0 | 0 | — | — |
| 2018/19 | Kashiwa Reysol | 27 | 1 | 1 | — | — |
| 2017/18 | Albirex Niigata | 33 | 2 | 1 | — | — |
| 2016/17 | Albirex Niigata | 30 | 0 | 0 | — | — |
| 2015/16 | Albirex Niigata | 21 | 2 | 0 | — | — |
| 2014/15 | Albirex Niigata | 26 | 0 | 0 | — | — |
Honours
Emperor Cup×2
By competition
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| J1 League | 1 | 14 | 0 | 0 | 6.7 |
Schedule · 2027/28
0 played3 not in squad· 0 min, 0g 0a
Also spent part of this season at FC Tokyo — those games aren't in this club's schedule.
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Aug 8 | J1 League | A Nagoya Grampus | 1-0 | Not in squad | — | |||
| Aug 15 | J1 League | H Yokohama F. Marinos | 0-1 | Not in squad | — | |||
| Aug 22 | J1 League | A Cerezo Osaka | 0-1 | Not in squad | — |