See main article: article and 2018 Connecticut Open.
Gabriela Dabrowski and Xu Yifan were the defending champions,[1] but chose not to participate this year.
Andrea Sestini Hlaváčková and Barbora Strýcová won the title, defeating Hsieh Su-wei and Laura Siegemund in the final, 6–4, 6–7(7–9), [10–4]