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JK
Joseph Kostur
— · Slovak Republic
2-0-0
2 KO
Win methods
2
wins
KO
2 · 100%
Fight history · 2 bouts
W
Jan Skalicky
KO R2
· 2026
W
Erik Sarai
KO R1
· 2026
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Joseph Kostur — Record, Ranking & Fight History (2026)