| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2012 | J1 League | 18 | 1530 | 1 | 0 | 0.06 | — |
| 2013 | J1 League | 20 | — | 3 | 0 | — | — |
| 2014 | J1 League | 8 | 180 | 0 | 0 | 0 | — |
| 2015 | J1 League | 13 | — | 0 | 0 | — | — |
| 2016 | J2-League | 36 | 1474 | 6 | 0 | 0.37 | — |
| 2017 | J1 League | 27 | 2201 | 8 | 4 | 0.49 | 6.96 |
| 2018 | J1 League | 24 | 1318 | 2 | 0 | 0.14 | 6.83 |
| 2019 | J1 League | 18 | 935 | 2 | 1 | 0.29 | 6.98 |
| 2020 | J1 League | 13 | 580 | 1 | 1 | 0.31 | 7.4 |
| 2021 | J1 League | 17 | 739 | 1 | 0 | 0.12 | 6.98 |
| 2022 | J1 League | 23 | 1117 | 1 | 1 | 0.16 | 7 |
| 2023 | J1 League | 16 | 998 | 0 | 1 | 0.09 | 6.72 |
| 2024 | J1 League | 3 | 117 | 0 | 0 | 0 | 6.8 |
| 2025 | J1 League | 5 | 32 | 0 | 0 | — | 6.45 |
| 2026 | New South Wales | 15 | 1229 | 3 | 1 | 0.29 | 6.98 |
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.
Figures computed from the GioScore season-stats database · as of 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kashiwa Reysol | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Yokohama | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Shanghai Port | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Mito Hollyhock | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Urawa Reds | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gifu | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 JEF United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ulsan HD | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Júbilo Iwata | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Nagoya Grampus | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ceres Philippines | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sydney | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Omiya Ardija | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 FC Bayern München | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sydney Olympic | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Egypt U23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Honduras U23 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Morocco U23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The 2026 New South Wales line for Kazuya Yamamura: 15 appearances (1,229 minutes), 3 goals, 1 assist — 0.29 goal involvements per 90. His average match rating for that season computes to 6.98.
His recorded league career runs from 2012 to 2026: 15 seasons across 5 clubs. Season ratings peak at 7.4 in 2020, J1 League and bottom out at 6.45 in 2025. The recent curve points down: 0.27 below his prior career average across the last two rated seasons.
