2020 Sibiu Open – Doubles
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Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Hunter Reese and Jan Zieliński won the title after defeating Robert Galloway and Hans Hach Verdugo 6–4, 6–2 in the final.
Seeds
- Venezuela Luis David Martínez / Mexico Miguel Ángel Reyes-Varela (quarterfinals)
- Brazil Felipe Meligeni Alves / Brazil Fernando Romboli (semifinals)
- Philippines Treat Huey / United States Nathaniel Lammons (first round)
- Germany Andre Begemann / Romania Florin Mergea (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted