| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014 | J1 League | 1 | — | 0 | 0 | — | — |
| 2015 | J1 League | 20 | 1108 | 1 | 1 | 0.16 | — |
| 2016 | J1 League | 6 | — | 0 | 0 | — | — |
| 2017 | J2-League | 38 | 1654 | 8 | 0 | 0.44 | — |
| 2018 | J2-League | 36 | 2495 | 5 | 0 | 0.18 | — |
| 2019 | J2-League | 42 | 3724 | 9 | 0 | 0.22 | — |
| 2020 | J1 League | 33 | 2474 | 2 | 3 | 0.18 | 6.87 |
| 2021 | J1 League | 37 | 2411 | 6 | 3 | 0.34 | 6.98 |
| 2022 | J1 League | 33 | 2029 | 4 | 6 | 0.44 | 6.96 |
| 2023 | J1 League | 33 | 1635 | 1 | 1 | 0.11 | 6.77 |
| 2024 | J1 League | 33 | 1786 | 0 | 1 | 0.05 | 6.76 |
| 2025 | J1 League | 37 | 2686 | 3 | 10 | 0.44 | 7.01 |
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 2026-07-28
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kashima Antlers | 7 | 1 | 1 | 5 | 1 | 0 | 1 | 0 |
 Yokohama F. Marinos | 6 | 5 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 0 |
 Nagoya Grampus | 6 | 2 | 0 | 4 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 5 | 4 | 0 | 1 | 1 | 0 | 0 | 0 |
 Avispa Fukuoka | 5 | 2 | 0 | 3 | 0 | 1 | 0 | 0 |
 Kawasaki Frontale | 5 | 1 | 2 | 2 | 0 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 Urawa Reds | 4 | 2 | 0 | 2 | 1 | 2 | 0 | 0 |
 Yokohama | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 4 | 1 | 2 | 1 | 0 | 2 | 0 | 0 |
 Kyoto Sanga | 4 | 1 | 3 | 0 | 0 | 1 | 0 | 0 |
 Cerezo Osaka | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 4 | 3 | 1 | 0 | 0 | 1 | 0 | 0 |
 Machida Zelvia | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 FC Tokyo | 3 | 2 | 1 | 0 | 0 | 1 | 0 | 0 |
 Albirex Niigata | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
In the 2025 J1 League, Tomoya Koyamatsu made 37 appearances (2,686 minutes), with 3 goals and 10 assists — 0.44 goal involvements per 90. GioScore's computed rating for the season averages 7.01.
The record shows 12 league seasons for him (2014–2025) across 5 clubs. The 2025 rating of 7.01 is the best of his recorded career; his lowest came in 2024 (6.76).
