Irish boxers Michael Conlan, Jason Quigley and Tommy McCarthy have all made the quarter-finals in their respective weight divisions after victories at the World Championships in Kazakhstan.

Conlan, who has moved up from flyweight to bantamweight, recorded a 30-27,30-27,30-27 unanimous victory over Mexico’s Brian Gonzalez. 

The number two seed will now meet Russia’s Vladimir Nikitin on Wednesday.  

Fifth seed Quigley completed a good morning for Ireland as he was awarded a 30-27,30-27,29-28 unanimous verdict over Scotland’s Aston Brown in the middleweight class.

Zoltan Harsca, seeded four, is the next opponent for the Donegal fighter.

Heavyweight McCarthy is also through to the quarter-finals after a narrow win over Germany's seventh seed Emir Ahmatovic.

McCarthy carried two of the three judges with him through every round en route to a 29-28,29-28,29-28 majority decision.

The number two seed Yamil Peralta of Argentina will take on the Oliver Plunkett ace on Wednesday.

Sean McComb, Paddy Barnes and Joe Ward will be aiming to join Conlan, Quigley and McCarthy in the last-eight tomorrow.