The event was the second that the promotion has contested in Adelaide, following UFC Fight Night: Miocic vs. Hunt in May 2015. A heavyweight bout between former UFC Heavyweight Champion Junior dos Santos and Tai Tuivasa served as the event headliner.
UFC Fight Night: dos Santos vs. Ivanov (also known as UFC Fight Night 133) is a mixed martial arts event produced by the Ultimate Fighting Championship held on July 14, 2018 at CenturyLink Arena in Boise, Idaho, United States.
