2021 Ambato La Gran Ciudad – Doubles
# 2021 Ambato La Gran Ciudad – Doubles

This was the first edition of the tournament.

Diego Hidalgo and Cristian Rodríguez won the title after defeating Alejandro Gómez and Thiago Agustín Tirante 6–3, 4–6, [10–3] in the final.

## Seeds

* Sergio Galdós / Facundo Mena (first round)
* Carlos Gómez-Herrera / Renzo Olivo (quarterfinals)
* Diego Hidalgo / Cristian Rodríguez (champions)
* Andrej Martin / Gonçalo Oliveira (semifinals, withdrew)

## 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

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | S Galdós F Mena | 2 | 6 | [8] | | | | | | | | | | | | | | |
| | A Gómez TA Tirante | 6 | 2 | [10] | | A Gómez TA Tirante | 6 | 6 | | | | | | | | | | |
| | E Gómez R Quiroz | 6 | $6^4$ | [7] | | B Arias F Zeballos | 3 | 3 | | | | | | | | | | |
| | B Arias F Zeballos | 4 | $7^7$ | [10] | | | | | | | A Gómez TA Tirante | w/o | | | | | | |
| 4 | A Martin G Oliveira | 6 | $7^7$ | | | | | | | 4 | A Martin G Oliveira | | | | | | | |
| WC | Á Guillén Meza G Villanueva | 2 | $6^5$ | | 4 | A Martin G Oliveira | 6 | 6 | | | | | | | | | | |
| | L Castelnuovo J Nikles | 3 | 2 | | | E Esteve Lobato O Roca Batalla | 4 | 2 | | | | | | | | | | |
| | Eduard Esteve Lobato O Roca Batalla | 6 | 6 | | | | | | | | | | | | A Gómez TA Tirante | 3 | 6 | [3] |
| | A Merino JA Ore | 5 | 5 | | | | | | | | | | | 3 | D Hidalgo C Rodríguez | 6 | 4 | [10] |
| | A Mendoza Matías Zukas | 7 | 7 | | | A Mendoza M Zukas | $7^{12}$ | 3 | [4] | | | | | | | | | |
| WC | Juan Pinto Vela Sebastián Sevilla Sevilla | 0 | 0 | | 3 | D Hidalgo C Rodríguez | $6^{10}$ | 6 | [10] | | | | | | | | | |
| 3 | D Hidalgo C Rodríguez | 6 | 6 | | | | | | | 3 | D Hidalgo C Rodríguez | $7^7$ | 6 | | | | | |
| PR | J Lenz G Melzer | 6 | 6 | | | | | | | PR | J Lenz G Melzer | $6^2$ | 4 | | | | | |
| WC | AC March Pol Martín Tiffon | 3 | 3 | | PR | J Lenz G Melzer | $7^7$ | 4 | [13] | | | | | | | | | |
| | A González A Menéndez Maceiras | 1 | $6^1$ | | 2 | C Gómez-Herrera R Olivo | $6^4$ | 6 | [11] | | | | | | | | | |
| 2 | C Gómez-Herrera R Olivo | 6 | $7^7$ | | | | | | | | | | | | | | | |
