| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015 | J1 League | 7 | 189 | 1 | 0 | 0.48 | — |
| 2016 | J2-League | 2 | — | 0 | 0 | — | — |
| 2017 | J1 League | 26 | 1130 | 5 | 2 | 0.56 | 6.96 |
| 2018 | J1 League | 32 | 2366 | 13 | 8 | 0.8 | 7.23 |
| 2019 | J1 League | 20 | 1728 | 6 | 2 | 0.42 | 6.96 |
| 2019/2020 | Admiral Bundesliga | 19 | 695 | 2 | 1 | 0.39 | 6.74 |
| 2020/2021 | Admiral Bundesliga | 18 | 501 | 3 | 2 | 0.9 | 6.9 |
| 2021/2022 | Admiral Bundesliga | 13 | 258 | 0 | 0 | 0 | 6.63 |
| 2021/2022 | 2. Liga | 2 | 176 | 1 | 0 | 0.51 | — |
| 2022 | J1 League | 10 | 374 | 1 | 0 | 0.24 | 6.73 |
| 2023 | J2-League | 35 | 1436 | 4 | 7 | 0.69 | — |
| 2024 | J2-League | 34 | 2529 | 12 | 6 | 0.64 | 7.96 |
| 2025 | J1 League | 37 | 2284 | 10 | 0 | 0.39 | 6.84 |
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 2026-07-24
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Montedio Yamagata | 5 | 2 | 1 | 2 | 1 | 0 | 1 | 0 |
 Yokohama | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 4 | 3 | 1 | 0 | 1 | 0 | 1 | 0 |
 Urawa Reds | 3 | 0 | 2 | 1 | 1 | 0 | 1 | 0 |
 Kashiwa Reysol | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 3 | 2 | 0 | 1 | 2 | 0 | 1 | 0 |
 Avispa Fukuoka | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 FC Tokyo | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Kashima Antlers | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
 Fagiano Okayama | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Mito Hollyhock | 3 | 1 | 2 | 0 | 1 | 0 | 1 | 0 |
 West Ham United | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Arsenal | 2 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
 Molde | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Dinamo Zagreb | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Dundalk | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Genk | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Uruguay | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Qatar | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Iran | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Venezuela | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Panama | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Uzbekistan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kyrgyz Republic | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Turkmenistan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Koya Kitagawa scored 10 goals in 37 J1 League appearances in 2025 (2,284 minutes), without an assist — 0.39 goal involvements per 90. GioScore's computed rating for the season averages 6.84.
His ratings range from 6.63 (2021/2022) up to 7.96 in 2024, J2-League. His two latest rated seasons run 0.52 higher than the rest of his career.
