However, there was disappointment for Liverpool light-flyweight Tommy Stubbs, who was comfortably beaten 8-1 by Belfast's Beijing bronze medallist PaddyBarnes.
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 PaddyBarnes.
Oscar has had a number of celebrity supporters including Olympic medallist PaddyBarnes, Westlife singer Nicky Byrne, the late Ulster rugby player Nevin Spence and Girls Aloud singer Nadine Coyle.