On March 2, 2009, Usanakorn defeated Rie Fujimoto by fourth-round knockout to win the interim WBC women's world super flyweight championship.
[3] On October 5, 2009, Usanakorn defeated Galina Koleva Ivanova by unanimous to win the WBC female world bantamweight championship.
[5][6] Usanakorn lost the WBC female world bantamweight title to Susie Ramadan by unanimous decision July 13, 2012.
According to The Sydney Morning Herald, Usanakorn tested for three times the amount of testosterone normally found in a woman.
[11] On September 3, 2022, Usanakorn defeated Natsuda Yooya by first-round knockout at BKFC Thailand 3: Moment of Truth.