Monteclaro played for the Adamson Soaring Falcons in the University Athletic Association of the Philippines (UAAP) before winning championships when he called the shots as chief tactician or assistant coach for various teams in the Philippines, Singapore, Italy, and Vietnam.
[4][5] He was a member of the Soaring Falcons who were runners-up to the Ateneo Blue Eagles in a pre-season tournament that was decided in Game 3.
[6] Monteclaro, Alex Nuyles, and Eric Camson also helped Adamson earn the top 2 seed at the end of the 2-round elims before taking home the 2nd-runner trophy in the UAAP Season 87 (2011) men's basketball tournament under head coach Leo Austria.
[14] On November 30, 2024, Monteclaro and the Lady Falcons won in overtime over the Ateneo Blue Eagles in the stepladder semis.
[17] Monteclaro always makes it a point to have a special birthday celebration for his late father Resty by trying to keep a winning tradition every October 19.