See main article: 2018 ASB Classic.
Lauren Davis was the defending champion, but lost in the first round to Sachia Vickery.
Julia Görges won the title, defeating Caroline Wozniacki in the final, 6–4, 7–6(7–4).
Wozniacki was in contention for the WTA No. 1 singles ranking at the start of the tournament. She was eliminated from contention when Simona Halep reached the quarterfinals in Shenzhen.[1]