2018 Citi Open – Men's doubles

Henri Kontinen and John Peers were the defending champions, but lost in the first round to Juan Sebastián Cabal and Robert Farah.

Jamie Murray and Bruno Soares won the title, defeating Mike Bryan and Édouard Roger-Vasselin in the final, 3–6, 6–3, [10–4].

Seeds
• # 🇦🇹 Oliver Marach / Mate Pavić (first round)

• # 🇫🇮 Henri Kontinen / 🇦🇺 John Peers (first round)

• # 🇵🇱 Łukasz Kubot / 🇧🇷 Marcelo Melo (first round)

• # 🇬🇧 Jamie Murray / 🇧🇷 Bruno Soares (champions)

Seeds
• # 🇮🇳 Divij Sharan / 🇳🇿 Artem Sitak (qualified)

• # 🇧🇾 Ilya Ivashka / 🇷🇺 Daniil Medvedev (qualifying competition)

Qualifiers

 * 1) 🇮🇳 Divij Sharan / 🇳🇿 Artem Sitak