SY
Seiya Yamaguchi
“N/A”
Lightweight · Japan
5-2-0
5'9" · 68" reach · orthodox · debut 2023
Rating history · Elo, recent bouts
2025peak 1514 · now 15142026
Win methods
1wins
Decision1 · 100%
“N/A”
Lightweight · Japan
5-2-0
5'9" · 68" reach · orthodox · debut 2023