The Juniors were the first of the three basketball tournaments to be finished. The Ateneo Blue Eaglets forced the step ladder format, putting themselves directly into the finals. Four other teams battled it out for the one spot left in the finals, with UST triumphing after beating out La Salle, 74-60. Since Ateneo cleared the eliminations, they were given an automatic 1-0 lead in the finals series. However, UST tied it up with a 77-71 win. Ateneo then continued on to sweep the next two games, 76-66 in game 2, and 76-59 in game 3. This was the Juniors' 17th title, and 3rd consecutive championship.
Second-seed Adamson Lady Falcons has advanced to the finals with a win over the UST Lady Tigresses, 72-59. However, fourth-seed La Salle Lady Archers edged out first-seed FEU Lady Tamaraws to extend the series, where the winner will advance and face Adamson. FEU won the knockout match to set up a finals showdown with Adamson.
First-seed FEU Tamaraws advanced to the finals after beating the De La Salle Green Archers in overtime, 69-59. They faced off against the defending champion Ateneo Blue Eagles, who blew past the Adamson Falcons, 68-55. Ateneo started off with an outstanding win, sweeping the Tamaraws by 23 points in game one (72-49), which was the lowest output by a team in the finals since UAAP Season 61, by the same school. The Tamaraws looked ahead for a comeback, being only down by one point, 56-57, in the last 3 minutes of the 4th quarter. However. the Blue Eagles managed to distance, with 2 successive baskets, and a good free throw. FEU scored 3 successful free throws to go up 59-61 against the Ateneans, at the final minute of the championship. However with a critical hold by Ateneo, Ryan Buenafe pulled off a three-point shot to give Ateneo a 64-59 lead while heading into the final 20 seconds of the game. FEU managed to score just one more three-pointer, but still went down, 62-65. The Ateneo Blue Eagles became the fifth successful team to achieve 3 consecutive championships, and capture their 6th championship title.