Date: March 3, 2012
WBO Female Jr. Bantamweight Championship Title Bout
Location: Punta Indio, Buenos Aires, Argentina
Result: Duer wins by TKO in the second round
Referee: Gustavo Tomas
Judges: Antonio Bernardo Soares, Jorge Tripodi, Luis Alberto Doffi
Supervisor: Jorge Molina
Promoter: Ferraro Box