| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | J3-League | 2 | — | 0 | 0 | — | 0 |
| 2015 | J2-League | 12 | 290 | 0 | 0 | 0 | — |
| 2016 | J1 League | 10 | 563 | 0 | 2 | 0.32 | 7.6 |
| 2017 | J1 League | 25 | 1620 | 0 | 3 | 0.17 | 6.87 |
| 2018 | J2-League | 39 | 3244 | 1 | 0 | 0.03 | — |
| 2019 | J2-League | 20 | 1589 | 0 | 0 | 0 | — |
| 2020 | J2-League | 18 | 844 | 1 | 0 | 0.11 | — |
| 2021 | J2-League | 19 | 821 | 0 | 0 | 0 | — |
| 2022 | J2-League | 24 | 1048 | 0 | 2 | 0.17 | — |
| 2023 | J2-League | 20 | 628 | 0 | 0 | 0 | — |
| 2024 | J3-League | 29 | 1796 | 1 | 5 | 0.3 | — |
| 2025 | J3-League | 26 | 1866 | 1 | 1 | 0.1 | 6.67 |
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 2026-08-20
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Giravanz Kitakyushu | 4 | 1 | 1 | 2 | 0 | 0 | 2 | 0 |
 Ryūkyū | 4 | 2 | 0 | 2 | 0 | 0 | 1 | 0 |
 Osaka | 4 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
 Vanraure Hachinohe | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Nara Club | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Kamatamare Sanuki | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Fukushima United | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Sagamihara | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kagoshima United | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 |
 Tegevajaro Miyazaki | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Omiya Ardija | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Gifu | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Apollon Pontou FC | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Parceiro Nagano | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 |
 Zweigen Kanazawa | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Kochi United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 OFI | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Urawa Reds | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
In the 2025 J3-League, Keisuke Oyama made 26 appearances (1,866 minutes), with 1 goal and 1 assist — 0.1 goal involvements per 90. GioScore's computed rating for the season averages 6.67.
2016 stands as his highest-rated season (7.6, J1 League), with 2025 the weakest (6.67).
