Presentation Brothers College eased their way into the quarter-finals of the Clayton Hotels Munster Schools Junior Cup with a decisive win over Castletroy College at Musgrave Park.

Champions, St Munchin’s, had to withstand a magnificent late rally from Castletroy to edge home 21-15 in the opening Clayton Hotels Munster Schools’ Junior Cup semi-final at Thomond Park yesterday.

Ballymun Kickhams (Dublin) 2-13 Mullingar Shamrocks (Westmeath) 0-7