The 1987 PBA Open Conference Finals was the best-of-7 series basketball championship of the 1987 PBA Open Conference, and the conclusion of the conference playoffs. The Tanduay Rhum Makers and Great Taste Coffee Makers played for the 36th championship contested by the league. Tanduay Rhum Makers captured their third PBA title with a 4–1 series victory over Great Taste Coffee Makers. Qualification Series scoring summary Games summary Game 1 The Rhum Makers trailed by 16 points, 37–53, late in the second quarter, but were able to work their way back into the game as David Thirdkill exploded with 61 points, 37 of them in the final half as he outperformed his counterpart Michael Young, who was limited to only 8 points in the fourth quarter. The Coffee Makers had a chance to tie the count with the score at 116–114 in favor of Tanduay. Thirdkill's two free throws off a foul by Philip Cezar with five seconds left sealed the ballgame. Game 2 The Rhum Makers battled back from several 16-point deficits, rookie Allan Caidic's hot hands, finishing with a conference-best 48 points, and an overtime period to break Great Taste's record of not being defeated twice in a row this season. Thirdkill had the chance of wrapping the game up for Tanduay in regulation but he missed the second of two free throw shots off Michael Young's fifth foul with eight seconds left, enabling Allan Caidic to force the game into overtime at 123-all with a fastbreak lay-up as the buzzer sounded. The Coffee Makers led, 132–129, with two minutes left in the extension period when Thirdkill scored four straight points as the Rhum Makers regain the upper hand. Freddie Hubalde, who scored 33 points, sink a jumper to give Tanduay a 135–132 edge with 29 seconds left. After a Great Taste timeout, a quick two points by Michael Young cut the deficit to just one, 134–135, but the Coffee Makers wasted so much time not fouling to stop the clock. With seven second left and Great Taste not yet in penalty situation, the Rhum Makers just dribbled the remaining seconds away. Game 3 Great Taste took an early 33–11 lead behind the perimeter shooting of Allan Caidic, Ricardo Brown and Michael Young. The Rhum Makers battled back and even led at halftime, 57–53. In the fourth period, the Coffee Makers went up, 115–108, with 2:10 remaining but David