The University of Sto. Thomas beat the University of the Philippines in their stepladder semis that finished 89-69.
As a result, the Growling Tigers campaign is still alive to secure a spot in the finals of the UAAP Season 82 men's basketball tournament
In front of a crowd of 17,772, UST achieved its third win over the Fighting Maroons this season 82.
UP has done several times to break UST's advantage in the last quarter, but UP always has the answer to the Maroons' run.
Both Rhenz Abando and Soulemane Chabi Yo each scored 17 points, while rookie of the year Mark Nonoy contributed 16 points.
The do-or-die game is set to take place between UST and UP on Wednesday at the Mall of Asia Arena.
The winner of the next game will have the chance to face Ateneo de Manila University in the best-of-3 finals.