2020 Open de Rennes – Doubles

Sander Arends and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Antonio Šančić. Weissborn successfully defended his title after defeating Teymuraz Gabashvili and Lukáš Lacko 7–5, 6–7(5–7), [10–7] in the final.

Seeds
• # Antonio Šančić / 🇦🇹 Tristan-Samuel Weissborn (champions)

• # 🇮🇳 Purav Raja / 🇨🇦 Adil Shamasdin (quarterfinals)

• # 🇺🇸 Robert Galloway / 🇲🇽 Hans Hach Verdugo (first round)

• # Ivan Sabanov / Matej Sabanov (first round)