Zhang Weili became China's first Ultimate Fighting Championship (UFC) champion at the main event during UFC Shenzhen on August 31.

The 30-year-old fighter from north China's Hebei Province produced a huge upset to knock out Brazilian Jessica Andrade.

Zhang entered the strawweight bout as an underdog against Andrade, who is tied with her compatriot Amanda Nunes for the most UFC wins (11) by a woman.

However, after a flurry of devastating knee kicks, elbows and punches, Andrade was floored in the 42nd second of the first round and the challenger was declared winner by technical knockout.

"Last year in Beijing, I vowed to become the first Chinese champion, and I did it!" said an elated Zhang.

UFC head Dana White declared Zhang "the most vicious woman on the planet right now" and said he is already planning the new champ's next fight in the United States.