| Doubles | |
|---|---|
| 2021 Open Città della Disfida | |
| Champions |  Marco Bortolotti  Cristian Rodríguez |
| Runners-up |  Gijs Brouwer Jelle Sels |
| Score | 6–2, 6–4 |
Denys Molchanov and Igor Zelenay were the defending champions [1] but chose not to defend their title.
Marco Bortolotti and Cristian Rodríguez won the title after defeating Gijs Brouwer and Jelle Sels 6–2, 6–4 in the final.
Luis David Martínez / Andrea Vavassori (semifinals)
Sadio Doumbia / Fabien Reboul (quarterfinals) Nicolás Barrientos / Julian Ocleppo (quarterfinals)
James Cerretani / Junior Alexander Ore (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | LD Martínez A Vavassori | 7 | 6 | ||||||||||||||||||||||||
 A Merino  P Sakamoto | 5 | 2 | 1 | LD Martínez A Vavassori | 6 | 6 | |||||||||||||||||||||
| PR |  M Jaziri A Motti | 4 | 7 | [10] | PR | M Jaziri A Motti | 3 | 2 | |||||||||||||||||||
| WC |  O Ovcharenko Giuseppe Tresca | 6 | 5 | [7] | 1 | LD Martínez A Vavassori | 67 | 2 | |||||||||||||||||||
| 4 | J Cerretani JA Ore | 6 | 63 | [7] | G Brouwer J Sels | 79 | 6 | ||||||||||||||||||||
 Yan Bondarevskiy P Kotov | 3 | 77 | [10] | Y Bondarevskiy P Kotov | 3 | 4 | |||||||||||||||||||||
| N Álvarez A Dougaz | 5 | 3 | G Brouwer J Sels | 6 | 6 | ||||||||||||||||||||||
| G Brouwer J Sels | 7 | 6 | G Brouwer J Sels | 2 | 4 | ||||||||||||||||||||||
| WC | Luca Scelzi Antonio Verno | 0 | 1 | M Bortolotti C Rodríguez | 6 | 6 | |||||||||||||||||||||
| J Berrettini G Zeppieri | 6 | 6 | J Berrettini G Zeppieri | 4 | 6 | [10] | |||||||||||||||||||||
| Mats Hermans B Stevens | 3 | 4 | 3 | N Barrientos J Ocleppo | 6 | 3 | [8] | ||||||||||||||||||||
| 3 | N Barrientos J Ocleppo | 6 | 6 | J Berrettini G Zeppieri | 6 | 0 | [7] | ||||||||||||||||||||
| M Bortolotti C Rodríguez | 6 | 6 | M Bortolotti C Rodríguez | 4 | 6 | [10] | |||||||||||||||||||||
| WC | F Cobolli L Nardi | 1 | 3 | M Bortolotti C Rodríguez | 68 | 6 | [16] | ||||||||||||||||||||
N Mejía  R Quiroz | 4 | 3 | 2 | S Doumbia F Reboul | 710 | 3 | [14] | ||||||||||||||||||||
| 2 | S Doumbia F Reboul | 6 | 6 | ||||||||||||||||||||||||
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