After turning professional in 1983 he had compiled a record of 15-1-1 in 3 years before travelling to Indonesia in 1986 to face IBF super flyweight champion Ellyas Pical.
He scored a split decision victory over titleholder Ellyas Pical and became the new IBF champion.
Polanco returned to Indonesia later in the year for a rematch and would lose the title via knockout in his first title defense in the third round after getting hit on his solar plexus.
[1] Cesar would never challenge for a title again and would end up retiring from the sport in 1993.
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