2023 Estoril Open – Doubles
# 2023 Estoril Open – Doubles

Sander Gillé and Joran Vliegen defeated Nikola Ćaćić and Miomir Kecmanović in the final, 6–3, 6–4 to win the doubles tennis title at the 2023 Estoril Open. It was their seventh title together as a team and their second of the season.

Nuno Borges and Francisco Cabral were the defending champions, but lost in the semifinals to Gillé and Vliegen.

## Seeds

* Andreas Mies / Hugo Nys (first round)
* Marcelo Melo / John Peers (first round)
* Gonzalo Escobar / Fabien Reboul (semifinals)
* Sander Gillé / Joran Vliegen (champions)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Mies H Nys | $6^4$ | 1 | | | | | | | | | | | | | | | |
| | R Haase P Oswald | $7^7$ | 6 | | | R Haase P Oswald | 3 | $6^4$ | | | | | | | | | | |
| | R Arneodo S Weissborn | 3 | $6^3$ | | | N Borges F Cabral | 6 | $7^7$ | | | | | | | | | | |
| | N Borges F Cabral | 6 | $7^7$ | | | | | | | | N Borges F Cabral | $6^4$ | $6^4$ | | | | | |
| 4 | S Gillé J Vliegen | 3 | 6 | [10] | | | | | | 4 | S Gillé J Vliegen | $7^7$ | $7^7$ | | | | | |
| | P Cachin B Zapata Miralles | 6 | 3 | [5] | 4 | S Gillé J Vliegen | w/o | | | | | | | | | | | |
| | N Barrientos A Behar | 5 | 6 | [7] | | R Albot VV Cornea | | | | | | | | | | | | |
| | R Albot VV Cornea | 7 | 4 | [10] | | | | | | | | | | | 4 | S Gillé J Vliegen | 6 | 6 |
| WC | B Shelton D Vale | 4 | 2 | | | | | | | | | | | | | N Ćaćić M Kecmanović | 3 | 4 |
| WC | J Sousa D Thiem | 6 | 6 | | WC | J Sousa D Thiem | 3 | 2 | | | | | | | | | | |
| | M Cecchinato Q Halys | 0 | 3 | | 3 | G Escobar F Reboul | 6 | 6 | | | | | | | | | | |
| 3 | G Escobar F Reboul | 6 | 6 | | | | | | | 3 | G Escobar F Reboul | 2 | 6 | [3] | | | | |
| | A Harris J-P Smith | 2 | 4 | | | | | | | | N Ćaćić M Kecmanović | 6 | 1 | [10] | | | | |
| | N Ćaćić M Kecmanović | 6 | 6 | | | N Ćaćić M Kecmanović | 4 | $7^7$ | [10] | | | | | | | | | |
| | D Hidalgo C Rodríguez | $7^7$ | $6^7$ | [10] | | D Hidalgo C Rodríguez | 6 | $6^5$ | [4] | | | | | | | | | |
| 2 | M Melo J Peers | $6^5$ | $7^9$ | [6] | | | | | | | | | | | | | | |
