Defending champion Dunkin Donuts-Gillamac'97 will be facing Big Mao 87/95.
Batch'97 made it to the final four after winning against K 1 Family KTV, 69-58.
Big Mao, for its part, overpowered MTO Spies 2005, 62-46.
On the other hand, Bimoli Cooking Oil takes on Worldwide Steel'99 in the other game.
Bimoli Cooking Oil, the first team to beat the defending champion Dunkin Donuts dominated the entire game over San Miguel 2006, 78-51, while Worldwide Steel'99 outsmarted Chivas Regal'96, 66-61.
The winners tonight will play for the best-of-three championship series over the weekend.