Former NU Bulldogs athletic director Junel Baculi replaced Rebo Saguisag as commissioner for the season's basketball tournaments on August 28, 2018.

[3] The Ateneo Blue Eagles and the NU Lady Bulldogs successfully defended their championships this season.

The NU Lady Bulldogs won all elimination round games, qualifying to the Finals outright.

FEU emerged through the stepladder playoffs that also involved UST and Adamson as NU's Finals opponent, but were still swept by the Lady Bulldogs.

In the Juniors' Division, the NU Bullpups and the Ateneo Blue Eaglets finished the elimination round with the top two seeds.

[13] In the second round of the men's tournament, two game days were scheduled at the Ynares Center in Antipolo.

Results on top and to the right of the dashes are for first-round games; those to the bottom and to the left of it are second-round games.The Tamaraws and the Green Archers last met in the fourth seed playoff in 2012 in which La Salle won.

In the second quarter, both teams exchanged blows but La Salle took matters the most to lead by two points at halftime, 38–36.

In an inbound play, Jasper Parker passed the ball to Ken Tuffin and converted his jumper and cut La Salle's lead by two points with less than 40 seconds remaining.

Off a timeout, La Salle inbounded a pass but turned the ball over as it paved the way for FEU to steal the game from them.

Ateneo has faced FEU in the semifinals in three consecutive seasons where the Blue Eagles won the last two series.

However, the Tamaraws never had a chance to catch up against the Blue Eagles as they were blown out by as many as 31 points towards the end of the 3rd quarter.

Adamson's top gunner Jerrick Ahanmisi went down with cramps after a contested layup against Bright Akhuetie was waved off by the referee, instead calling it a foul on JD Tungcab on the floor.

Jonathan Espeleta came in to take the shots in place of Jerrick Ahanmisi but split his freethrows to lead by a point.

Desiderio's jumper over Sean Manganti however put UP back on top 89–87 with 6.6 seconds remaining with Adamson calling its last time out.

The Lady Tamaraws last faced the Tigresses in the first round of last year's stepladder semifinals where UST won.

The NU Lady Bulldogs advance to the best-of-three finals by winning all 14 elimination round games.

The Lady Bulldogs have not lost for 78 consecutive games, and have swept the elimination round for the past five seasons.

Results on top and to the right of the dashes are for first-round games; those to the bottom and to the left of it are second-round games.The NSNU Bullpups have a twice-to-beat advantage.