Christina Hammer vs. Yahaira Hernandez
Date: September 7, 2012
WBO Female Middleweight Title Bout
Location: RWE Rhein-Ruhr Sporthalle, Muelheim, Nordrhein-Westfalen, Germany
Promoter: Ulf Steinforth (Sport Events Steinforth)
Result: Hammer wins by unanimous decision
Referee: Andre Van Grootenbruel
Judges: Zoltan Enyedi (100-85), Manfred Kuechler (100-85), Frank Michael Maass (100-85)
Supervisor: Istvan Kovacs