The #3 vs. #10 and the #4 vs. #9 matchups are in the "twice-to-beat" format; the team with the higher seed only needs to win once to advance, but needs to be beaten twice in order to be eliminated. The other two matchups are a best-of-three series.
(3) Alaska vs. (10) Coca-Cola {{basketballbox|bg=#eee |date=June 10 |place=
Araneta Coliseum,
Quezon City |TV=
ABC (4) Sta. Lucia vs. (9) Shell {{basketballbox|bg=#eee |date=June 10 |place=
Araneta Coliseum,
Quezon City |TV=
ABC |report=recap {{basketballbox|date=June 12 |place=
Araneta Coliseum,
Quezon City |TV=
ABC (5) FedEx vs. (8) Purefoods {{basketballbox|bg=#eee |date=June 9 |place=
Ynares Center,
Antipolo |TV=
ABC {{basketballbox|date=June 11 |place=
Ynares Center,
Antipolo |TV=
ABC {{basketballbox|bg=#eee |date=June 12 |place=
Araneta Coliseum,
Quezon City |TV=
ABC (6) Red Bull vs. (7) Barangay Ginebra {{basketballbox||date=June 11 |place=
Ynares Center,
Antipolo |TV=
ABC |report=recap ==Quarterfinals==