2018 Connecticut Open – Doubles

Gabriela Dabrowski and Xu Yifan were the defending champions, 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]

Seeds
• # 🇨🇿 Andrea Sestini Hlaváčková / 🇨🇿 Barbora Strýcová (champions)

• # Demi Schuurs / Katarina Srebotnik (first round, retired)

• # Kiki Bertens / 🇸🇪 Johanna Larsson (quarterfinals)

• # 🇷🇴 Irina-Camelia Begu / 🇷🇴 Monica Niculescu (first round)