Jandrick, the boys 16-under No. 2, stamped his class over No. 8 Ed Angelo Diez, 6-3, 6-2, to advance against No. 6 Michael Basco, a 6-4, 6-1 winner over No. 7 Boris John Chaves.
Ivy, the girls 16-under second seed, outplayed third pick Katrina Pamintuan, 6-2, 6-1, to forge a titular duel with No. 1 Berry Sepulveda, a 6-3, 6-0 winner over fourth seed Catherine Flores.
Julie Em Botor, a fifth-grader at the Morning Jew School in Cainta, Rizal reached the girls 14-under and 12-under finals in this tournament sponsored by PSC, Viva Mineral Water and official ball Dunlop.
Botor, the 14-under third seed, scored a 6-1, 6-2 upset victory over No. 2 Denise Culaba to advance against top seed Melissa Orteza, a 6-1, 6-1 winner over fourth seed Michelle Bumgarner.