Profile
Season stats
Full career & schedule →Domestic-league season · Kashima.
Performance data · by competition
| Competition | Apps | G | A | Min | Match |
|---|---|---|---|---|---|
 J1 League | 29 | 1 | 3 | 2344 | 6.9 |
 J-League Cup | 2 | 0 | 0 | 39 | — |
Scout report
R. Koike is a 30-year-old full-back at Kashima, enjoying a standout season — 1 goals and 3 assists in 29 appearances, a Season grade of 38, top 13% of J1 League full-backs. On long-term scout potential he's rated 33.1, ranking 200th of 377 in the J1 League. An experienced operator, he has been a regular starter (68.5% of available minutes). His defensive output reads 2.5 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Koike.
Judged on this season alone, Koike graded 38 — an excellent campaign that ranks top 13% of the 54 full-backs in the J1 League, on 11 clean sheets and 2.496 defensive actions per 90.
Year-on-year, that's a clear step up on last season (Season 4 → 38). Over the 5 seasons on record his form has trended upward, peaking in 2021/22.
On long-term talent our Rating reads 33, 31st of 54 of the 54 full-backs in the J1 League. At 30 Koike is into the veteran stage, where the age curve weighs on the projection, and a market index of 7.5 reflects that trajectory.
Below his 2021/22 peak but holding a solid level — the platform for a return is there.
Output in context · Kashima finished 1st of 20 · a title-challenging side
2.5 tackles, blocks & interceptions per 90 — moderate defensive volume, with 11 clean sheets across 29 appearances. Behind a title-challenging side (1st of 20) the side controls more games, so the defensive load is lighter — the value sits as much in composure and ball progression as in raw volume. Going forward he chipped in 1 goal and 3 assists — a useful bonus from the back.
Strengths
- Availability. On the pitch for 68.5% of available minutes — a dependable presence in the XI.
- Attacking threat. Chips in from deep: 0.15 goal involvements per 90, useful for a full-back.
Watch points
- Level. Rates below a nailed-on top-tier starter on our model.
Outlook
With a Rating of 33.1, Koike carries the 31st-highest potential of the full-backs in the J1 League of 54. Defensively he reads as moderate defensive volume (2.5 tackles, blocks & interceptions per 90). Experienced and reliable, but the value curve is easing (1× now → 0.7× projected in three years).
Generated from Field Insider's rating model · AI-written analysis to follow.
Transfer news
No transfer news found for this player.
