China's Li Jinzi has withstood a spirited fightback to defeat Brazil's Roseli Feitosa.
Li exerted her superiority over the Brazilian from the first bell, taking an 8-5 lead after two rounds.
The Chinese fighter looked untroubled as she then extended that lead by three points with a string of quick shots that stunned her opponent.
Feitosa won the final round 7-6, but was comprehensively outboxed by Li throughout the contest.
Li progressed courtesy of a 19-14 decision.
