| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014 | J1 League | 4 | — | 0 | 0 | — | — |
| 2015 | J1 League | 3 | — | 1 | 0 | — | — |
| 2016 | J1 League | 13 | — | 0 | 0 | — | — |
| 2018 | J1 League | 11 | 990 | 0 | 1 | 0.09 | 7 |
| 2019 | J1 League | 11 | 683 | 1 | 0 | 0.13 | 7.11 |
| 2022 | J1 League | 8 | 564 | 0 | 0 | 0 | 6.71 |
| 2023 | J2-League | 27 | 2351 | 0 | 1 | 0.04 | — |
| 2024 | J1 League | 28 | 1760 | 0 | 0 | 0 | 6.86 |
| 2025 | J1 League | 34 | 963 | 0 | 0 | 0 | 6.92 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cohort: 110 J1 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 2026-07-11
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Cerezo Osaka | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 5 | 0 | 1 | 4 | 0 | 0 | 1 | 0 |
 Nagoya Grampus | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 5 | 1 | 2 | 2 | 0 | 0 | 0 | 0 |
 Kashiwa Reysol | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Kashima Antlers | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Vissel Kobe | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Fagiano Okayama | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Urawa Reds | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 FC Tokyo | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 3 | 0 | 2 | 1 | 0 | 0 | 1 | 0 |
 Kawasaki Frontale | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 JEF United | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 V-Varen Nagasaki | 3 | 0 | 0 | 3 | 0 | 1 | 0 | 0 |
 ThespaKusatsu Gunma | 3 | 1 | 2 | 0 | 0 | 0 | 1 | 0 |
 Montedio Yamagata | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2025 J1 League, Kazuya Miyahara played 34 games (963 minutes) without a direct goal contribution. His average match rating for that season computes to 6.92. Measured against 110 J1 League defenders with at least 450 minutes in 2025, he sits in the 32nd percentile by match rating; on goals he ranks 39th of 110.
His league record spans 9 seasons (2014–2026) across 3 clubs. Season ratings peak at 7.11 in 2019, J1 League and bottom out at 6.71 in 2022.
