| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | J3-League | 1 | 46 | 0 | 0 | — | 6.37 |
| 2019 | J3-League | 33 | 2452 | 1 | 0 | 0.04 | — |
| 2020 | J3-League | 31 | 2746 | 1 | 0 | 0.03 | — |
| 2022 | J3-League | 25 | 1759 | 1 | 0 | 0.05 | — |
| 2023 | J3-League | 32 | 1839 | 2 | 2 | 0.2 | — |
| 2024 | J3-League | 28 | 720 | 1 | 1 | 0.25 | — |
| 2025 | J3-League | 24 | 969 | 1 | 1 | 0.19 | 6.52 |
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 2026-08-16
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 24 J3-League appearances in 2025, Masashi Kokubun contributed 1 goal plus 1 assist (969 minutes) — 0.19 goal involvements per 90. Per-match rating over the season: 6.52.
His league record spans 7 seasons (2019–2025) across 3 clubs.
