2018 Brisbane International – Women's Singles
was the defending champion, but lost in the semifinals to Elina Svitolina.
Svitolina went on to win the title, defeating Aliaksandra Sasnovich in the final, 6–2, 6–1.
Garbiñe Muguruza was in contention for the WTA No. 1 singles ranking at the start of the tournament, but she retired during her opening second round match. As such, Simona Halep retained the No. 1 ranking.Seeds
The top two seeds received a bye into the second round.Draw
Finals
Top half
Seeds
Qualifiers
Qualifying draw
Second qualifier
Third qualifier
Fourth qualifier