| Month | Matches | Mins | G | A | G+A | G/M | Rating |
|---|---|---|---|---|---|---|---|
Sep 2026 | 3 | 180 | 0 | 0 | 0 | 0.00 | 6.58 |
Aug 2026 | 4 | 351 | 0 | 0 | 0 | 0.00 | 7.03 |
| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2024 | J1 League | 9 | 197 | 0 | 0 | 0 | 6.77 |
| 2025 | J1 League | 18 | 900 | 0 | 0 | 0 | 7.29 |
| 2026/2027 | J1 League | 7 | 531 | 0 | 0 | 0 | 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 2026-09-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Urawa Reds | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kawasaki Frontale | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Yokohama | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Consadole Sapporo | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Avispa Fukuoka | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 FC Tokyo | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Albirex Niigata | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kashima Antlers | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Vissel Kobe | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Fagiano Okayama | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Nagoya Grampus | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 V-Varen Nagasaki | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Australia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Over 7 J1 League games in 2026/2027 (531 minutes), Koki Kumasaka recorded no direct goal contributions. That season graded out at an average match rating of 6.84.
Between 2024 and 2026 he accumulated 3 league seasons, all with a single club. Season ratings peak at 7.29 in 2025, J1 League and bottom out at 6.77 in 2024.
