Great Britain's Fred Evans has defeated Egidijus Kavaliauskas to advance to the 69kg quarter-finals.
Evans trailed the tough Lithuanian 2-1 after a cagey first round, with neither man willing to commit early on.
The Welshman responded well in the second, landing consistently with the left hand to make the match all square at 5-5 going into the third round.
Evans boxed beautifully in the final round, catching Kavaliauskas on the counter with a series of significant shots to take the decision 11-7.
Team GB's Evans now moves on the last eight of the men's welterweight tournament.