| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2012 | J1 League | 10 | 810 | 0 | 0 | 0 | — |
| 2013 | J1 League | 2 | — | 0 | 0 | — | — |
| 2015 | J2-League | 10 | 621 | 0 | 0 | 0 | — |
| 2016 | J2-League | 30 | 1326 | 4 | 0 | 0.27 | — |
| 2017 | J2-League | 28 | 912 | 6 | 0 | 0.59 | — |
| 2018 | J2-League | 38 | 2495 | 5 | 2 | 0.25 | — |
| 2019 | J2-League | 34 | 2354 | 4 | 0 | 0.15 | — |
| 2020 | J2-League | 42 | 2747 | 10 | 0 | 0.33 | — |
| 2021 | J2-League | 42 | 3439 | 5 | 0 | 0.13 | — |
| 2022 | J2-League | 25 | 1244 | 1 | 2 | 0.22 | — |
| 2023 | J2-League | 39 | 2074 | 4 | 2 | 0.26 | — |
| 2024 | J2-League | 19 | 909 | 0 | 1 | 0.1 | — |
| 2025 | J2-League | 1 | 61 | 0 | 0 | — | 6.5 |
| 2025 | Premier League (Singapore) | 19 | 1450 | 7 | 10 | 1.06 | 7.07 |
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 2026-07-26
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Vegalta Sendai | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 |
 Omiya Ardija | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 4 | 1 | 1 | 2 | 1 | 0 | 0 | 0 |
 Kyoto Sanga | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 JEF United | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 ThespaKusatsu Gunma | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Albirex Niigata S | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Blaublitz Akita | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Avispa Fukuoka | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 FC Tokyo | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 True Bangkok United | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
 Tokushima Vortis | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Júbilo Iwata | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Lion City Sailors FC | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
 Young Lions | 2 | 2 | 0 | 0 | 3 | 4 | 0 | 0 |
Across 19 Premier League (Singapore) appearances in 2025, Koya Kazama contributed 7 goals plus 10 assists (1,450 minutes) — 1.06 goal involvements per 90. His average match rating for that season computes to 7.07.
Between 2012 and 2025 he accumulated 14 league seasons across 6 clubs.
