Ireland are guaranteed four medals at the European Amateur Championships after John Joe Nevin, Paddy Barnes, Jason Quigley and Michael Conlan all claimed quarter-final wins.
Nevin become the first Irishman to win a medal at this year's Championships in Belarus after he got the better of Hungary's Krisztian Nagy in their bantamweight quarter-final.
Nevin claimed a comprehensive victory in a bout he dominated from start to finish.
The classy Mullingar fighter won via a unanimous points decision with the scores going 30-24, 30-27, 30-25 in his favour.
Paddy Barnes joined Nevin in the semi-finals soon after, also guaranteeing himself a bronze medal,
Barnes beat Hungary's Istvan Ungvari in their light flyweight bout but did so via a split decision after the Argentine judge gave the fight to Ungvari.
The Belfast fighter won on a scoreline of 29-28, 27-30, 29-28.
Middleweight Jason Quigley was up next and he continued the Irish winning streak with a unanimous points decision over Germany's Stefan Hartel.
Quigley impressed on his way to a 30-27, 30-27, 29-28 victory.
Michael Conlan recorded a sensational win against home favourite Siarhei Loban when he took to the ring for the evening session.
The St John Bosco flyweight overwhelmed his Belarusian opponent to claim a second-round technical knockout.
However, there was bad news for heavyweight Tommy McCarthy, who was unable to overcome the challenge of Azerbaijan's Teymur Mammadou.
McCarthy had been handed an unkind draw, coming up against the number one seed and the fight went to form with Mammadou claiming victory on a unanimous decision, 29-28 29-28 29-28.
Irish squad 2013 European Championships
49kg – Light flyweight – Paddy Barnes (Holy Family BC, Belfast)
52kg – Flyweight – Michael Conlan (St John Bosco BC, Belfast) WIN
56kg – Bantamweight – John Joe Nevin (Cavan BC)
60kg – Lightweight – Sean McComb (Holy Trinity BC, Belfast) OUT
64kg – Light welterweight – Ray Moylette (St Anne’s BC, Mayo) OUT
69kg – Welterweight – Adam Nolan (Bray BC, Co, Wicklow) OUT
75kg – Middleweight – Jason Quigley (Finn Valley BC, Donegal)
81kg – Light heavyweight – Joe Ward (Moate BC, Co. Westmeath) OUT
91kg – Heavyweight – Tommy McCarthy (Oliver Plunkett BC, Belfast) OUT
91kg+ - Super heavyweight – Con Sheehan (Clonmel BC, Tipperary) OUT
Live web-only coverage of the semi-finals of the European Boxing Championships from 11.55 on Friday 7 June on RTÉ.ie (RoI only). Live web-only coverage of the finals of the European Boxing Championships from 11.55 on Saturday 8 June on RTÉ.ie (RoI only)
Live television semi-final action and highlights from 18:30 on Friday 7 June on RTÉ Two and RTÉ.ie (RoI only).