Far Eastern University booked a quarterfinal slot while Adamson needed two extra periods to secure a win in 18th Fr. Martin Summer Cup action last Monday at the San Beda Gym.
Russel Escoto had 10 points while Arvie Bringas added eight in a balanced scoring effort as the Tamaraws disposed off Ateneo-B Blue Eagles, 61-45.
Meanwhile, the Falcons turn back University of the Philippines, 82-76, in double overtime to move one win away from sweeping Group A.
The Tamaraws hiked their mark to 5-2 joining early quarterfinalist La Salle and Letran in Group B.
The Falcons already have the quarterfinal spot in Group A but had trouble disposing off the Fighting Maroons until Rodney Brondial made key baskets down the stretch.
Brondial scored four in an 8-3 finish by the Falcons to win their sixth straight contest in Group A play.
Roider Cabrera and Eric Camson led the Falcons with 17 points. It was Camson who forced overtime with a lay-up for a 73-all count.
In other results, Nate Matute had 24 points as Jose Rizal University defeated STI, 81-70, to stay in contention for a quarterfinal seat with a 4-3 record.