In the mainland for sub-Cluster IV-A teams, the battle will be held in Catmon and the B group teams will fight it out in Tudela, Camotes.
In Catmon, there will be a total of six squads vying for the cluster title including host Catmon, Sogod, Carmen, Danao, Compostela and Borbon.
In the sub-cluster B, the teams are Poro, Tudela, Pilar and San Francisco.
The top two teams in Camotes will meet against the top two squads of bracket A in the cross-over set tomorrow.
Action in the mainland opens with Catmon going up against Carmen and followed by Borbon opposite Sogod and then Danao versus Compostela.
In the afternoon, Sogod tackles first Catmon and then Danao while Carmen faces Borbon and Compostela will meet Catmon.
Borbon also meets Compostela and Catmon today while Carmen tackles Danao and then Compostela for the last game of the day.
Catmon will be meeting Danao in Sunday's first game while Carmen takes on Sogod, then Borbon opposite Danao and Sogod taking on Compostela for the last game in bracket A.