2021 Córdoba Open – Doubles
# 2021 Córdoba Open – Doubles

Marcelo Demoliner and Matwé Middelkoop were the defending champions, but Middelkoop decide to participate in the 2021 Open Sud de France instead. Demoliner was pairing up with Santiago González, but they lost in the first round to Guillermo Durán and Andrés Molteni.

Rafael Matos and Felipe Meligeni Alves won the title, defeating Romain Arneodo and Benoît Paire in the final, 6–4, 6–1.

## Seeds

* Austin Krajicek / Franko Škugor (quarterfinals)
* Marcelo Demoliner / Santiago González (first round)
* Ariel Behar / Gonzalo Escobar (first round)
* Tomislav Brkić / Nikola Ćaćić (first round)

## 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 | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Krajicek F Škugor | 6 | 6 | | | | | | | | | | | | | |
| | R Carballés Baena A Ramos Viñolas | 2 | 4 | | 1 | A Krajicek F Škugor | $6^6$ | 7 | [2] | | | | | | | |
| | F Coria H Dellien | 1 | 1 | | | R Matos F Meligeni Alves | $7^8$ | 5 | [10] | | | | | | | |
| | R Matos F Meligeni Alves | 6 | 6 | | | | | | | R Matos F Meligeni Alves | $7^7$ | $6^5$ | [10] | | | |
| 3 | A Behar G Escobar | 2 | $6^2$ | | | | | | | D Koepfer J Sousa | $6^0$ | $7^7$ | [6] | | | |
| | D Koepfer J Sousa | 6 | $7^7$ | | | D Koepfer J Sousa | 6 | 6 | | | | | | | | |
| WC | O Marach A Velotti | 4 | $7^7$ | [10] | WC | O Marach A Velotti | 3 | 4 | | | | | | | | |
| | M Kecmanović G Mager | 6 | $6^5$ | [8] | | | | | | | | | | R Matos F Meligeni Alves | 6 | 6 |
| | N Monroe A Sitak | 6 | 3 | [6] | | | | | | | | | | R Arneodo B Paire | 4 | 1 |
| | R Arneodo B Paire | 3 | 6 | [10] | | R Arneodo B Paire | $7^7$ | 4 | [10] | | | | | | | |
| WC | F Bagnis M González | 7 | $7^7$ | | WC | F Bagnis M González | $6^1$ | 6 | [7] | | | | | | | |
| 4 | T Brkić N Ćaćić | 5 | $6^5$ | | | | | | | R Arneodo B Paire | 6 | 3 | [10] | | | |
| | T Monteiro F Romboli | 3 | 3 | | | | | | | G Durán A Molteni | 3 | 6 | [6] | | | |
| | F Delbonis JI Londero | 6 | 6 | | | F Delbonis JI Londero | $7^7$ | $6^3$ | [10] | | | | | | | |
| | G Durán A Molteni | 6 | 6 | | | G Durán A Molteni | $6^3$ | $7^7$ | [12] | | | | | | | |
| 2 | M Demoliner S González | 0 | 2 | | | | | | | | | | | | | |
