In each match-up, the lower-seeded team has to win twice, while the higher-seeded team only once, to progress.
(1) Red Bull vs. (8) Shell {{basketballbox|bg=#eee |date=August 13 |place=
Cuneta Astrodome,
Pasay |TV=
Viva TV |report=recap
(2) Sta. Lucia vs. (7) Talk 'N Text {{basketballbox|date=August 18 |place=
Araneta Coliseum,
Quezon City |TV=
Viva TV (3) Alaska vs. (6) FedEx {{basketballbox|date=August 17 |place=
Ynares Center,
Antipolo |TV=
Viva TV {{basketballbox|date=August 21 |place=
Philsports Arena,
Pasig |TV=
Viva TV |report=recap
(4) San Miguel vs. (5) Coca-Cola {{basketballbox|date=August 18 |place=
Araneta Coliseum,
Quezon City |overtime=OT |TV=
Viva TV |report=recap ==Semifinals==