← Douglas Otieno Okola

DO
Sergey Kovalev
Vacant WBA–NABA USA light-heavyweight title · 10 rounds

Douglas
Otieno Okola
VS
Sergey
Kovalev

Kovalev · KO 2/10

Updated · Sources: English Wikipedia, Wikipedia (ja), Wikipedia (ru), +1

Jul 29, 2011 · Cosmopolitan Hotel, Las Vegas, 🇺🇸

Okola going in0-3-0
Kovalev going in16-0-0
Confirmationofficial ★
MethodKO
Round2 of 10 · 2:39
TitleVacant WBA–NABA USA light-heavyweight title
NotesБой за звание чемпиона по версии NABA.

Event

DateJul 29, 2011
VenueCosmopolitan Hotel
CityLas Vegas
Country🇺🇸 United States
PromoterWarrior’s Boxing Promotions, LLC

All bouts of this event ›

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Sergey_Kovalev
✓
Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/セルゲイ・コバレフ
✓
Wikipedia (ru)
side b · observed 2026-10-12
ru.wikipedia.org/wiki/Ковалёв,_Сергей_Александрович_(боксёр)
✓
Nevada State Athletic Commission — Results
side neutral · observed 2026-10-12
boxing.nv.gov/uploadedFiles/boxingnvgov/content/results/B...
✓

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