Mindoro participated in a handful of amateur bouts, Mindoro fell short at quarter-finals of the 55th Edition (2012) of Palarong Pambansa's Kids Antweight division in Lingayen, Pangasinan, failed at the Finals of the 57th Edition (2014) of Palarong Pambansa's School Boys light mosquitoweight division in Santa Cruz, Laguna and failed in the prelimenaries of the 61st Edition (2018) of Palarong Pambansa's Youth Boys light welterweight division in Vigan, Ilocos Sur.
[1] On April 13, 2019, Mindoro won his debut bout against journeyman compatriot Jerry Kalaw via 3rd round stoppage in Bacoor, Cavite.
[3] After defeating journeyman Mao Tameda in the first round in his return to the middleweight division, Mindoro was scheduled to make his U.S. debut against Mexican veteran Mahonri Montes,[4] however, the bout against Montes was scrapped and was replaced by former bare-knuckle fighter and experienced boxer Tyler Goodjohn on July 10, 2024, at ProBox TV Events Center in Plant City, Florida, Mindoro won via 2nd Round KO.
[5] Mindoro was announced to fight Puerto Rican former WBC FECARBOX titlist Marcos Osorio-Betancourt on November 9, 2024, at Osceola Heritage Park in Kissimmee, Florida.
[8][9] On November 10, 2024, Mindoro was already scheduled to fight the reigning IBF Pan Pacific middleweight champion and veteran Australian boxer Joel Camilleri in an exhibition bout on December 6, 2024 in Dubai, United Arab Emirates.