S
Seiya Yamaguchi
4-1-0
Active
- Division: Lightweight
- Nationality: Japan
- Stance: orthodox
- KO Wins: 1 (25%)
Radar Chart
Win Methods
Ranking History
Opponent Quality
Fight History
| Date | Opponent | Result | Method | Rounds | Title |
|---|---|---|---|---|---|
| Jul 31, 2025 | Kento Obara | NC | UD | R4/4 | |
| Jun 19, 2025 | Ryosuke Kiuchi | NC | UD | R4/4 |