[5] Dicaire beat Uruguayan Chris Namús for the IBF female super-welterweight World title on December 1, 2018, at the Videotron Center in Quebec City, Canada, winning by unanimous decision.
[6] She successfully defended her title three times before facing fellow undefeated boxer and WBC and WBO super-welterweight champion Claressa Shields on March 5, 2021.
Shields won the contest in Flint, Michigan, USA, by unanimous decision.
[7] After Shields vacated the IBF title, Dicaire regained it by knocking out the previously unbeaten Cynthia Lozano in the seventh-round at the Bell Centre, Montreal, Canada, on 17 December 2021.
[8] On 12 November 2022, she once again attempted to become a unified World champion by facing WBC and WBO title holder Natasha Jonas in Manchester, England.