He played his collegiate career first with the De La Salle Green Archers in 2018 before moving to the Benilde Blazers in 2019.
During the PBA season 49 draft, he was selected by the Rain or Shine Elasto Painters with the 20th pick.
[3] He played center when the team beat the West Negros University, scoring 14 points, 10 rebounds, and 8 assists to completely dominate the game [4] In NBTC, Corteza played for the Tay Tung Thunderbolts and contributed in the basketball scene in Negros Occidental.
He also played for Team Bacolod in the 3x3 Batang Pinoy National Finals and won the title with SJ Belangel and Jesmar Pedrosa.
[6] However, he left the Green Archers after one year at the same time with Aaron Waban, Jollo Go and Mark Dyke due to changes of staff and limited minutes in Season 80.
Under both Coach Charles Tiu and TY Tang, Corteza was quick to be one of the main contributors of the Blazers, averaging 8.7 points and 5.5 rebounds but the team failed to secure a semifinal slot in Season 97.
[12] Against the Letran Knights, he had 18 points and seven rebounds, but lost the ball in the last eleven seconds of the game, leading to their first loss of the season.
[21] To begin his senior season, he led with a game-high 21 points alongside four rebounds and five blocks in a loss to the Lyceum Pirates.
In February 2024, Corteza was listed in the lineup for the Maharlika Pilipinas Basketball League's Pampanga Giant Lanterns.