| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | J1 League | 23 | — | 8 | 0 | — | — |
| 2011 | J1 League | 30 | — | 7 | 0 | — | — |
| 2015 | J1 League | 18 | — | 10 | 0 | — | — |
| 2016 | J1 League | 33 | — | 12 | 2 | — | — |
| 2017 | J1 League | 15 | 1220 | 3 | 5 | 0.59 | — |
| 2018 | J1 League | 13 | 681 | 2 | 0 | 0.26 | 7 |
| 2019 | J1 League | 6 | 133 | 0 | 0 | 0 | 7 |
| 2020 | J1 League | 33 | 1198 | 6 | 1 | 0.53 | — |
| 2021 | J1 League | 30 | 1341 | 4 | 0 | 0.27 | 6.64 |
| 2022 | J2-League | 11 | 355 | 2 | 0 | 0.51 | — |
| 2023 | J3-League | 8 | 246 | 1 | 1 | 0.73 | — |
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 2026-07-23
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Vegalta Sendai | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
 Omiya Ardija | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 3 | 3 | 0 | 0 | 1 | 0 | 1 | 0 |
 Kawasaki Frontale | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Oita Trinita | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Sagan Tosu | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Tokyo Verdy | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 V-Varen Nagasaki | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Urawa Reds | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Brisbane Roar | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Yokohama F. Marinos | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 FC Tokyo | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Beijing Guoan | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
 Guangzhou Evergrande | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Júbilo Iwata | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Nagoya Grampus | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The 2023 J3-League line for Kazuma Watanabe: 8 appearances (246 minutes), 1 goal, 1 assist — 0.73 goal involvements per 90.
His league record spans 11 seasons (2010–2023) across 5 clubs. Season ratings peak at 7 in 2018, J1 League and bottom out at 6.64 in 2021.
