| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | J1 League | 1 | 34 | 0 | 1 | — | 7 |
| 2019 | J2-League | 30 | 1872 | 6 | 1 | 0.34 | — |
| 2020 | J2-League | 38 | 2465 | 6 | 0 | 0.22 | — |
| 2021 | J1 League | 27 | 1287 | 1 | 1 | 0.14 | 6.73 |
| 2022 | J2-League | 19 | 1308 | 1 | 1 | 0.14 | — |
| 2022/2023 | Liga Portugal | 15 | 516 | 1 | 1 | 0.35 | 6.68 |
| 2023/2024 | Liga Portugal | 13 | 421 | 0 | 0 | 0 | 6.68 |
| 2024 | J2-League | 6 | 330 | 0 | 2 | 0.55 | — |
| 2025 | J1 League | 28 | 1535 | 1 | 2 | 0.18 | 6.78 |
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 2026-08-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Vitória Guimarães | 5 | 1 | 2 | 2 | 0 | 0 | 0 | 0 |
 FC Tokyo | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Sporting CP | 4 | 1 | 0 | 3 | 0 | 0 | 1 | 0 |
 Benfica | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Porto | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Sporting Braga | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Chaves | 4 | 2 | 1 | 1 | 0 | 1 | 0 | 0 |
 Estoril | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 1 |
 Yokohama F. Marinos | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Famalicão | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
 Arouca | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Rio Ave | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Casa Pia | 4 | 0 | 3 | 1 | 0 | 0 | 0 | 0 |
 Urawa Reds | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Portimonense SAD | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Avispa Fukuoka | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Vizela | 3 | 1 | 2 | 0 | 1 | 0 | 1 | 0 |
 Gil Vicente | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
In the 2025 J1 League, Masaki Watai made 28 appearances (1,535 minutes), with 1 goal and 2 assists — 0.18 goal involvements per 90. That season graded out at an average match rating of 6.78.
He is at his recorded peak: 2025's 6.78 tops every previous season, with 2022/2023 (6.68) the low mark.
