| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2025 | J3-League | 15 | — | 1 | 1 | — | — |
| 2021 | J2-League | 5 | 98 | 0 | 0 | 0 | — |
| 2022 | J3-League | 7 | 516 | 0 | 0 | 0 | 0 |
| 2023 | J3-League | 9 | 288 | 0 | 1 | 0.31 | — |
| 2024 | J3-League | 31 | 523 | 0 | 0 | 0 | — |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 111 J3-League midfielders, 2024, 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 2026-07-06
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Matsumoto Yamaga | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Parceiro Nagano | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Giravanz Kitakyushu | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Zweigen Kanazawa | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Kagoshima United | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ryūkyū | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 |
 Nara Club | 4 | 0 | 3 | 1 | 0 | 0 | 0 | 0 |
 Tegevajaro Miyazaki | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Gifu | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kamatamare Sanuki | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 ThespaKusatsu Gunma | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sagamihara | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Azul Claro Numazu | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Osaka | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Imabari | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Kataller Toyama | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fukushima United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Blaublitz Akita | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 YSCC | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
Across 15 J3-League appearances in 2025, Masashi Kokubun contributed 1 goal plus 1 assist. Against a 111-strong pool of J3-League midfielders (2024, min. 450 minutes), his goal involvements per 90 places in the 41st percentile; on goals he ranks 44th of 111.
His league record spans 5 seasons (2021–2025) across 2 clubs, totalling 0 goals and 1 assists in 1,425 minutes — 0.06 G+A per 90 for his career.
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Vanraure Hachinohe | 2018/2019 - 2020/2021 | 78 | 2 | 3 | 1644 | — | — | — |
| Blaublitz Akita | 2020/2021 - 2021/2022 | 5 | 0 | 0 | 98 | — | — | — |
| Total | 83 | 2 | 3 | 1742 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 24/25 | Vanraure Hachinohe | 29 | 1 | — | 209 | 0 | 0 | — |
| 23/24 | Vanraure Hachinohe | 33 | 1 | — | 631 | 0 | 0 | — |
| 22/23 | Vanraure Hachinohe | 9 | 0 | — | 288 | 0 | 0 | — |
| 21/22 | Vanraure Hachinohe | 7 | 0 | — | 516 | 0 | 0 | — |
| 20/21 | Blaublitz Akita | 5 | 0 | — | 98 | 0 | 0 | — |
