2021 Singapore Tennis Open – Doubles

The Singapore Tennis Open was a new addition to the ATP Tour in 2021.

Sander Gillé and Joran Vliegen won the title, defeating Matthew Ebden and John-Patrick Smith in the final, 6–2, 6–3.

Seeds
• # 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen (champions)

• # 🇮🇳 Rohan Bopanna / 🇯🇵 Ben McLachlan (first round)

• # 🇬🇧 Luke Bambridge / 🇬🇧 Dominic Inglot (semifinals)

• # 🇦🇺 Matthew Ebden / 🇦🇺 John-Patrick Smith (final)