Diana Prazak has four losses against four opponents on her boxing record. For a list of Prazak's best fights, refer to "Best fights of Diana Prazak".
On August 20, 2021 Diana Prazak fought Kali Reis in a super-lightweight world-title fight for the WBA title. Prazak was 42 years old and with a record of 14-4 (9), and Reis was 34 years old and with a record of 17-7-1 (5). Prazak lost the fight via 10-round majority decision.
On November 11, 2014 Diana Prazak fought Delfine Persoon in a lightweight world-title fight for Persoon's WBC title. Prazak was 35 years old and with a record of 13-3 (9), and Persoon was 29 years old and with a record of 30-1 (13). Prazak lost the fight via 9th-round TKO.
On December 7, 2012 Diana Prazak faced off against Holly Holm in a super-lightweight bout at age 33. She was coming in with a record of 11-2 (7). Prazak lost the fight via 10-round unanimous decision.
On March 13, 2010 Diana Prazak faced off against Sarah Howett at age 30. She was coming in with a record of 0-1 (0). Prazak lost the fight via 6-round unanimous decision.
