| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017 | J1 League | 1 | 8 | 0 | 0 | — | 6.53 |
| 2018 | J1 League | 17 | 506 | 3 | 3 | 1.07 | 6.93 |
| 2019 | J1 League | 21 | 845 | 1 | 0 | 0.11 | 6.69 |
| 2020 | J1 League | 12 | 781 | 2 | 0 | 0.23 | 6.77 |
| 2021 | J1 League | 31 | 1638 | 2 | 2 | 0.22 | 6.81 |
| 2022 | J1 League | 29 | 1015 | 3 | 0 | 0.27 | 6.83 |
| 2023 | J2-League | 31 | 2397 | 9 | 3 | 0.45 | — |
| 2024 | J1 League | 32 | 2815 | 19 | 0 | 0.61 | 7.33 |
| 2025 | J2-League | 1 | 90 | 0 | 0 | 0 | — |
| 2025 | J1 League | 36 | 3027 | 4 | 3 | 0.21 | 6.86 |
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 2026-08-03
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Vissel Kobe | 7 | 1 | 0 | 6 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 6 | 3 | 0 | 3 | 2 | 0 | 1 | 0 |
 FC Tokyo | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
 Kawasaki Frontale | 5 | 1 | 1 | 3 | 1 | 0 | 0 | 0 |
 Nagoya Grampus | 5 | 1 | 0 | 4 | 0 | 0 | 1 | 0 |
 Gamba Osaka | 5 | 2 | 0 | 3 | 1 | 1 | 1 | 0 |
 Kashiwa Reysol | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
 Yokohama F. Marinos | 4 | 1 | 1 | 2 | 3 | 0 | 0 | 0 |
 Cerezo Osaka | 4 | 2 | 2 | 0 | 2 | 0 | 1 | 0 |
 Urawa Reds | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Johor Darul Ta'zim | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 Yokohama | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 |
 Tokyo Verdy | 3 | 3 | 0 | 0 | 0 | 1 | 0 | 0 |
 Avispa Fukuoka | 3 | 1 | 2 | 0 | 3 | 0 | 0 | 0 |
 Kyoto Sanga | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
 Albirex Niigata | 3 | 1 | 1 | 1 | 2 | 0 | 1 | 0 |
 Kashima Antlers | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Fagiano Okayama | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Hong Kong | 1 | 1 | 0 | 0 | 4 | 0 | 0 | 0 |
 Korea Republic | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 China PR | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2025 J1 League, Ryo Germain made 36 appearances (3,027 minutes), with 4 goals and 3 assists — 0.21 goal involvements per 90. GioScore's computed rating for the season averages 6.86.
His ratings range from 6.69 (2019) up to 7.33 in 2024, J1 League. The recent direction is upward: 0.29 above his prior average across the last two rated seasons.
