2019 Rio Open – Doubles
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David Marrero and Fernando Verdasco were the defending champions, but Verdasco chose not to defend the title and Marrero chose to compete in Marseille instead.
Máximo González and Nicolás Jarry won the title, defeating Thomaz Bellucci and Rogério Dutra Silva in the final, 6–7(3–7), 6–3, [10–7].
Seeds
- Brazil Marcelo Melo / Brazil Bruno Soares (quarterfinals)
- Colombia Juan Sebastián Cabal / Colombia Robert Farah (semifinals)
- Croatia Nikola Mektić / Argentina Horacio Zeballos (quarterfinals)
- Uruguay Pablo Cuevas / Spain Marc López (first round)
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
Draw
Qualifying
Seeds
- United States Nicholas Monroe / Mexico Miguel Ángel Reyes-Varela (first round, lucky losers)
- United Kingdom Cameron Norrie / Portugal João Sousa (qualified)
Qualifiers
Lucky losers
- Brazil Mateus Alves / Brazil Thiago Seyboth Wild
- United States Nicholas Monroe / Mexico Miguel Ángel Reyes-Varela
Qualifying draw
| First round | Qualifying competition | ||||||||||||
| 1 | United States Nicholas Monroe Mexico Miguel Ángel Reyes-Varela | 3 | 5 | ||||||||||
| WC | Brazil Mateus Alves Brazil Thiago Seyboth Wild | 6 | 7 | ||||||||||
| WC | Brazil Mateus Alves Brazil Thiago Seyboth Wild | 4 | 710 | [4] | |||||||||
| 2 | United Kingdom Cameron Norrie Portugal João Sousa | 6 | 68 | [10] | |||||||||
| Argentina Guido Andreozzi Argentina Guillermo Durán | 2 | 4 | |||||||||||
| 2 | United Kingdom Cameron Norrie Portugal João Sousa | 6 | 6 |