| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2016 | J1 League | 12 | 1080 | 0 | 0 | 0 | 7.14 |
| 2017 | J1 League | 26 | 2291 | 0 | 2 | 0.08 | 6.89 |
| 2018 | J1 League | 30 | 2693 | 1 | 3 | 0.13 | 7 |
| 2019 | J1 League | 30 | 2697 | 0 | 2 | 0.07 | 6.97 |
| 2020 | J1 League | 10 | 773 | 1 | 1 | 0.23 | 7.15 |
| 2020/2021 | 2. Bundesliga | 32 | 2578 | 0 | 3 | 0.1 | 6.93 |
| 2021/2022 | 2. Bundesliga | 27 | 1900 | 0 | 2 | 0.09 | 6.87 |
| 2022/2023 | 2. Bundesliga | 31 | 2436 | 3 | 1 | 0.15 | 7.02 |
| 2023/2024 | 2. Bundesliga | 25 | 1522 | 2 | 3 | 0.3 | 7.06 |
| 2024/2025 | 2. Bundesliga | 27 | 2090 | 0 | 0 | 0 | 6.96 |
| 2025 | J1 League | 17 | 1382 | 0 | 1 | 0.07 | 6.87 |
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 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Karlsruher SC | 5 | 2 | 0 | 3 | 0 | 1 | 1 | 0 |
 Darmstadt 98 | 4 | 1 | 0 | 3 | 0 | 0 | 2 | 0 |
 Magdeburg | 4 | 3 | 1 | 0 | 2 | 0 | 1 | 0 |
 Schalke 04 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 St. Pauli | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Nürnberg | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 |
 Fortuna Düsseldorf | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Paderborn | 3 | 1 | 0 | 2 | 0 | 1 | 1 | 0 |
 Hamburger SV | 3 | 3 | 0 | 0 | 0 | 1 | 0 | 0 |
 Heidenheim | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Hertha BSC | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
 SpVgg Greuther Fürth | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Jahn Regensburg | 3 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
 Eintracht Braunschweig | 3 | 0 | 2 | 1 | 0 | 0 | 2 | 0 |
 Elversberg | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Werder Bremen | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ulm | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kaiserslautern | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Yokohama F. Marinos | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
 Holstein Kiel | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Venezuela | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Panama | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Kyrgyz Republic | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Uruguay | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Qatar | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Côte d'Ivoire | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Mexico | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Oman | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Costa Rica | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Tajikistan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Trinidad and Tobago | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Iran | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Myanmar | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Colombia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 El Salvador | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Uzbekistan | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Cameroon | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Bolivia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Turkmenistan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Serbia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Neither a goal nor an assist came from Sei Muroya's 27 2. Bundesliga appearances in 2024/2025 (2,090 minutes). Per-match rating over the season: 6.96.
His best-rated season remains 2020 (7.15, J1 League); his lowest was 2021/2022 (6.87).
