CIGNAL came from a set down to turn back Generika-Ayala, 19-25, 30-28, 25-22, 25-16, in the Philippine Super Liga All-Filipino Conference on Tuesday at the Baliwag Star Arena in Bulacan.
The HD Spikers finished No. 2 in Pool C and will face Cocolife, which secured the third spot in Pool D after it disposed Cherrylume.
Mumay Vivas and Royse Tubino led the way for Cignal with 13 points apiece, while Rachel Anne Daquis added 11 markers and national team member Jovelyn Gonzaga chipped in 10.
Fiola Ceballos had 13 points for Generika-Ayala, which will face F2 Logistics in their own do-or-die quarterfinal match.
Meanwhile, Petron will be up against Sta. Lucia Realty.