However, there was disappointment for Liverpool light-flyweight Tommy Stubbs, who was comfortably beaten 8-1 by Belfast's Beijing bronze medallist Paddy Barnes.
Liverpool light-flyweight Tommy Stubbs beat Lithuania's Marius Vysnuiaukas 9-3 on Saturday to set up a last-eight meeting with Belfast's Beijing Olympic medallist Paddy Barnes.
At the 1996 Olympics, Roel gained a few kilos to move into a heavier division rather than slug it out with his baby brother for the light-flyweight title.
On the undercard, champion Jorge Arce retained the WBC light flyweight title with a third-round technical knockout of Mexican compatriot Augustin Luna.