Cunanan rolled a two-game series of 372 pins to pace Maa Aregla (366), Tina Eisma (357), Geena Gregorio (356) and Indang Castillo (344) in the ladies division.
Inocencio posted 422 to move ahead of Boying Magday (390), Louie Tandingan (389), Val Almazan (373) and Jun Santos (370) in the mens group.
Ironically, Inocencio landed only third in Class C singles with 375, behind Almazan (390) and Boy dela Cruz (381) but ahead of Winnie Sotto (373) and Jaime Vicente (371).
Mandaluyong Mayor Benhur Abalos graced the opening ceremony together with other officials and promised to support PHIDBCs programs, especially the bowling clinics for the youth.