Belfast pair Paddy Barnes and Tommy McCarthy secured wins at the World Amateur Championships on Friday.
Flyweight Barnes earned a unanimous 29-28, 29-28, 30-27 victory over Serbian Milos Baltic in Kazakhstan and will now fight a place in the quarter-finals.
Barnes is targeting a medal in his 'bogey' tournament, having won Olympic, European and Commonwealth medals.
Heavyweight McCarthy defeated Canada's Samir El-Mais on a split decision 30-27, 28-29, 29-28 in a last-32 contest.
On Monday, McCarthy progressed to the last 32 of his division by earning an unanimous victory over Bulgaria's Nikolay Mutavski.
Belfast lightweight Sean McComb clinched an impressive opening victory on Tuesday, earning a unanimous win over Israel's Almog Briga to progress to the last 32 of his division.
Barnes and fellow Olympic bronze medallist Michael Conlan, who enters the fray at the last-32 stage against Hungary's Kriszthan Nagy on Saturday, are both seeded for the tournament.