| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | J-League | 21 | 1538 | 0 | 0 | 0 | 6.61 |
| 2024 | J-League | 33 | 2123 | 0 | 1 | 0.04 | 6.94 |
| 2025 | J-League | 37 | 1352 | 1 | 1 | 0.13 | 6.79 |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 113 J-League defenders, 2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-05
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Albirex Niigata | 7 | 3 | 1 | 3 | 0 | 1 | 0 | 0 |
 Kashima Antlers | 7 | 4 | 0 | 3 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 6 | 3 | 2 | 1 | 1 | 1 | 1 | 0 |
 Kawasaki Frontale | 6 | 2 | 1 | 3 | 0 | 0 | 1 | 0 |
 Urawa Reds | 5 | 1 | 3 | 1 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 5 | 1 | 1 | 3 | 1 | 0 | 0 | 0 |
 Avispa Fukuoka | 5 | 1 | 3 | 1 | 0 | 1 | 0 | 0 |
 Kyoto Sanga | 5 | 2 | 1 | 2 | 0 | 0 | 1 | 0 |
 Sanfrecce Hiroshima | 5 | 0 | 1 | 4 | 1 | 0 | 0 | 0 |
 Kashiwa Reysol | 4 | 2 | 1 | 1 | 1 | 0 | 1 | 0 |
 Shonan Bellmare | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Tokyo Verdy | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 FC Tokyo | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 |
 Vissel Kobe | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Nagoya Grampus | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 4 | 3 | 1 | 0 | 1 | 0 | 1 | 0 |
 Sagan Tosu | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Yokohama | 3 | 1 | 1 | 1 | 0 | 0 | 2 | 0 |
 Gangwon | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
The 2025 J-League line for Kotaro Hayashi: 37 appearances (1,352 minutes), 1 goal, 1 assist — 0.13 goal involvements per 90. GioScore's computed rating for the season averages 6.79. Measured against a 113-strong pool of J-League defenders (2025, min. 450 minutes), he sits in the 11th percentile by match rating — goals rank: 14th of 113.
His best-rated season remains 2024 (6.94, J-League); his lowest was 2023 (6.61).
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Machida Zelvia | 2023/2024 - now | 89 | 4 | 4 | 4809 | — | — | 6.91 |
| Yokohama | 2022/2023 - 2023/2024 | 24 | 2 | 1 | 1808 | — | — | 6.61 |
| Total | 113 | 6 | 5 | 6617 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Machida Zelvia | 13 | 0 | — | 918 | 1 | 0 | 7.00 |
| 24/25 | Machida Zelvia | 39 | 4 | — | 1562 | 1 | 0 | 6.79 |
| 23/24 | Machida Zelvia | 37 | 0 | — | 2329 | 3 | 0 | 6.94 |
| 22/23 | Yokohama | 24 | 2 | — | 1808 | 1 | 0 | 6.61 |
