20 Nov 1999
Adonis Rivas beats Diego Morales via unanimous decision 12/12
Super Flyweight (115 lb)
Adonis Rivas becomes the WBO Super Flyweight world champion
25 Mar 2000
Adonis Rivas beats Pedro Morquecho via technical decision 11/12
2 Sep 2000
Adonis Rivas beats Joel Luna Zarate via unanimous decision 12/12
16 Jun 2001
Pedro Alcazar beats Adonis Rivas via split decision 12/12
4 May 2002
Adonis Rivas becomes the WBO Flyweight world champion
13 Jul 2002
Omar Narvaez beats Adonis Rivas via unanimous decision 12/12
Flyweight (112 lb)