| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | J3-League | 25 | 1861 | 0 | 0 | 0 | — |
| 2022 | J3-League | 31 | 1998 | 0 | 1 | 0.05 | — |
| 2023 | J3-League | 16 | 310 | 0 | 3 | 0.87 | — |
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: 33 J3-League forwards, 2022, 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 2026-09-05
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Azul Claro Numazu | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Grulla | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Yokohama | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gifu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kamatamare Sanuki | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Imabari | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Roasso Kumamoto | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ehime | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kataller Toyama | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sagamihara | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kagoshima United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 YSCC | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fujieda MYFC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Osaka | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Iwaki | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tegevajaro Miyazaki | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Kazuya Niwa closed the 2023 J3-League with 3 assists, without scoring, over 16 appearances (310 minutes) — 0.87 goal involvements per 90. Measured against a cohort of 33 J3-League forwards with a minimum of 450 minutes in 2022, he ranked in the 0th percentile by goal involvements per 90, and 33rd of 33 for goals scored.
Between 2021 and 2023 he logged 3 league seasons across 2 clubs.
