Clara Tauson won the women's singles tennis title at the 2025 WTA Auckland Open, 4–6, after Naomi Osaka retired in the final.

[1] She saved a match point (in her second round match against Sofia Kenin) en route to her third career WTA Tour title and first since 2021.

Coco Gauff was the two-time reigning champion,[2] but chose to compete at the United Cup instead.

[3]