Yahaira Hernandez vs Christina Hammer (12-0-0)

Date: 2012-09-07
Result: Winner: Christina Hammer
Method: UD
Round: 10 of 10
Venue: RWE Rhein-Ruhr Sporthalle
City: Mülheim
Country: 🇩🇪 DE
Title: Retained WBO and WBF female middleweight titles
Confirmation: ✓ one source

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Sources

Source	Side	Link	Observed
English Wikipedia	b	https://en.wikipedia.org/wiki/Christina_Hammer	2026-10-11