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Cecilia Brækhus, the undisputed female welterweight champion, faced a formidable challenge from Kali Reis in 2018. The highly anticipated bout took place in Oslo, Norway, and showcased the exceptional skills and determination of both fighters. Despite Reis's valiant efforts, Brækhus ultimately emerged victorious, retaining her title and cementing her status as one of the greatest female boxers of all time.