Domestic-league season · Renofa Yamaguchi.
Following his move to Renofa Yamaguchi, Kobayashi's current-season form is down 79% on last season (Season 14→3), while his Rating eased 36→15. His peak season for form remains 2021/22 (Season 14).
| Season | Club | Apps | G | A | Match | RTG | Season |
|---|---|---|---|---|---|---|---|
| 2025/26 | Renofa Yamaguchi · 19th | 13 | 1 | 0 | — | 15 | 3 |
| 2021/22 | Oita Trinita · 18th | 25 | 1 | 1 | 6.64 | 36 | 14 |
| 2020/21 | Oita Trinita · 11th | 2 | 0 | 0 | 6.7 | 35 | 0 |
Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year.
S. Kobayashi is a 32-year-old central midfielder at Renofa Yamaguchi, rated 14.5 overall by Field Insider's model. A seasoned veteran, he has been a fringe squad member this season (10.6% of available minutes). Below: strengths, watch-points, market-value outlook and the latest transfer news on Kobayashi.
On the season, Kobayashi graded 3 for current form (age-blind), on 1 goal, 0 assists and 0 defensive actions per 90.
Year-on-year, that's a drop on last season (Season 14 → 3). Over the 3 seasons on record his form has trended upward, peaking in 2021/22.
On long-term talent our Rating reads 15. At 32 Kobayashi is into the veteran stage, where the age curve weighs on the projection, and a market index of 4.4 reflects that trajectory.
Past his 2021/22 peak — the recent trend is downward, so buyers are paying for what's left, not what was.
0 tackles, blocks & interceptions per 90 — light defensive volume, with 1 clean sheet across 13 appearances. Doing that for a relegation-threatened side (19th of 20) is harder than the bare numbers suggest: a back line under more pressure has to defend more often and protects fewer leads, so the volume — and any clean sheets — carry real weight. Going forward he chipped in 1 goal and 0 assists — a useful bonus from the back.
Rated 14.5 overall — below regular-starter level. Defensively he reads as light defensive volume (0 tackles, blocks & interceptions per 90). Veteran phase — a short-term, lower-fee proposition as both level and value decline (0.8× and falling).
Generated from Field Insider's rating model · AI-written analysis to follow.
The gold line is market value — an index (not €) blending rating, age and league. It climbs through the early 20s, peaks around ages 23–27 (~11), then tapers with age. At 32, Kobayashi sits on 4.4, past its peak and easing. The blue line is Kobayashi's projected Rating — 14.5 today — recomputed at each age, so it follows the same rise-and-fall as a career matures and declines. Solid = up to today; dashed = projected.
No transfer news found for this player.
