Delfine Persoon has three losses against two opponents on her boxing record. For a list of Persoon's best fights, refer to "Best fights of Delfine Persoon".
On August 22, 2020 Delfine Persoon fought Katie Taylor in a lightweight world-title fight for Taylor's WBA, WBC, IBF, WBO and The Ring titles. Persoon was 35 years old and with a record of 44-3 (18), and Taylor was 34 years old and with a record of 15-0 (6). Persoon lost the fight via 10-round unanimous decision.
On June 1, 2019 Delfine Persoon, the WBC champion, met Katie Taylor, the WBA, IBF, WBO and The Ring champion, in a lightweight world-title unification fight. Persoon was 34 years old and with a record of 43-2 (18), and Taylor was 32 years old and with a record of 13-0 (6). Persoon lost the fight via 10-round majority decision and lost her title.
On November 1, 2010 Delfine Persoon faced off against Zelda Tekin at age 25. She was coming in with a record of 9-1 (3). Persoon lost the fight via 4th-round TKO.
