Vacant WBC Silver heavyweight title · 12 rounds

Robert
Helenius
VS
Johann
Duhaup

Duhaup · KO 6/12

Apr 2, 2016 · Hartwall Arena, Helsinki, 🇫🇮

Helenius going in23-0-0

Duhaup going in33-3-0

Confirmation✓✓ two sources

MethodKO

Round6 of 12 · 3:00

TitleVacant WBC Silver heavyweight title

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Johann_Duhaupas

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English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Robert_Helenius

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Wikipedia (ru)
side b · observed 2026-10-12
ru.wikipedia.org/wiki/Дюопа,_Жоан

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