2018 Citi Open – Women's doubles

Shuko Aoyama and Renata Voráčová were the defending champions, but lost in the quarterfinals to Kristie Ahn and Lauren Davis.

Han Xinyun and Darija Jurak won the title, defeating Alexa Guarachi and Erin Routliffe in the final, 6–3, 6–2.

Seeds
• # Chan Hao-ching / 🇨🇳 Yang Zhaoxuan (quarterfinals)

• # 🇯🇵 Shuko Aoyama / 🇨🇿 Renata Voráčová (quarterfinals)

• # 🇨🇳 Han Xinyun / Darija Jurak (champions)

• # Alexa Guarachi / 🇳🇿 Erin Routliffe (final)