6 Sep 1992
Manny Melchor beats Thongchai Utaida via split decision 12/12
Minimumweight (105 lb)
Manny Melchor becomes the IBF Minimumweight world champion
10 Dec 1992
Ratanapol Sor Vorapin beats Manny Melchor via split decision 12/12
18 Dec 1993
Ricardo Lopez beats Manny Melchor via knockout 11/12
2 Feb 2001
Jose Antonio Aguirre beats Manny Melchor via unanimous decision 12/12