University of Batangas stunned Olivarez College, 89-80, and forged a rubber match in their semis series in the PG Flex Linoleum-Universities and Colleges Basketball League (UCBL) at the Olivarez College gym in Parañaque City.
JJ Caspe and Raoul Yemeli struck hard early for the Brahmans who repelled repeated comebacks by the second-seeded Sea Lions.
The knockout game is set on Monday with the winner earning the right to face top seed and defending champion Diliman College in the best-of-three finals.
The Diliman Blue Dragons got a huge lift from Robbi Darang to beat the fourth-ranked Centro Escolar University Scorpions, 64-63.
Yemeli and Caspe finished with similar 16 points apart from providing the intangibles that helped them beat the Sea Lions for the first time in three games this season.
Don Tabol and Mart De Ramos also stepped up for UB with 11 points apiece.
Matches are aired on Solar Sports on a delayed basis.