Ursuline improves to 5-0 after defeating Cardinal Mooney, 1-0, on Tuesday afternoon.
Ryan Strollo drove in the winning run for the Irish in the 2nd inning and finished the day 1-3. Sam Donko struck out 10 batters in a complete game.
The Irish have now gone 35 straight innings without giving up a run.
The Cardinals drop to 2-2 on the season.