Mack Emery and Brie Boon hit seventh inning home runs and Emily Phelan struck out 15 as Bishop Kearney beat Mercy 8-6.
Emery hit a two-run homer and Boon followed with a solo shot for the Kings (16-1), who won the NYS Class C title last season.
Mercy took a 3-0 lead before the Kings rallied back, Emery with a two-run double in the top of the fourth.
Phelan held off a strong hitting Monarch team. The sophomore already eclipsed the 1,000 career strikeout mark last week.
Kearney moves up to Class B this year and is currently battling for the top seed with Wayland-Cohocton. Mercy (7-10) moves up to A-1 this season afer winning the A2 crown last year.