The Korean Zombie (also known as UFC Fight Night 225 and UFC on ESPN+ 83) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 26, 2023, at the Singapore Indoor Stadium in Kallang, Singapore.

[2] The event marked the promotion's sixth visit to Singapore and first since UFC 275 in June 2022.

[2] A featherweight bout between former UFC Featherweight Champion Max Holloway and former title challenger Jung Chan-sung served as the event's headliner.

[3] A women's flyweight bout between former UFC Women's Flyweight Championship challenger Taila Santos and Erin Blanchfield took place at this event.

[4] They were previously scheduled to headline UFC Fight Night: Andrade vs. Blanchfield but Santos withdrew after her cornermen were denied visas into the United States.