The 1984 challenge was Renan Pitanguy vs Eugenio Tadeu won by Tadeu by tko
Marcelo Behring vs Flavio Molina won by Behring by TKO Fernando Pinduka vs Marco Ruas was a draw
1991: Wallid Ismail defeated Tadeu
Fabio Gurgel defeated Denilson Maia Murilo Bustemante defeated Marcelo Mendes both Bitetti and Behring fights were scratched.
Why didn’t Relson who was called champion and undefeated for all those years not fight?