2021 Garden Open II – Doubles

Sadio Doumbia and Fabien Reboul were the defending champions and successfully defended their title, defeating Guido Andreozzi and Guillermo Durán 7–5, 6–3 in the final.

Seeds
• # 🇺🇸 Nathaniel Lammons / 🇺🇸 Jackson Withrow (semifinals)

• # 🇧🇷 Rafael Matos / 🇧🇷 Felipe Meligeni Alves (quarterfinals)

• # 🇫🇷 Albano Olivetti / 🇦🇺 Matt Reid (quarterfinals)

• # 🇺🇸 Robert Galloway / 🇺🇸 Alex Lawson (first round)