January 26, 2013 - Polideportivo Municipal, Buenos Aires, Argentina
Yesica Bopp, 107, won by a decision over Marisa Johanna Portillo, 108, in a 10 rounder. The two were fighting
for the WBA and WBO light flyweight belts. According to online sources there was a accidental head butt in the ninth
round. Final judges scores were 98-91, 100-90, and 100-90.