| Men's doubles | |
|---|---|
| 2021 Emilia-Romagna Open | |
| Champions |  Simone Bolelli  Máximo González |
| Runners-up |  Oliver Marach  Aisam-ul-Haq Qureshi |
| Score | 6–3, 6–3 |
This was the third edition of the tournament, primarily created due to the one-week delay of the 2021 French Open. [1]
Simone Bolelli and Máximo González won the title, defeating Oliver Marach and Aisam-ul-Haq Qureshi in the final, 6–3, 6–3.
Sander Gillé / Joran Vliegen (quarterfinals, withdrew)
Raven Klaasen / 
Ben McLachlan (first round)
Marcus Daniell / Philipp Oswald (first round)
Marcelo Arévalo / 
Matwé Middelkoop (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S Gillé J Vliegen | 77 | 6 | ||||||||||||||||||||||||
| WC | F Passaro S Travaglia | 65 | 4 | 1 | S Gillé J Vliegen | ||||||||||||||||||||||
| WC |  D Marrero D Vega Hernández | 77 | 2 | [6] |  R Jebavý  A Nedovyesov | w/o | |||||||||||||||||||||
| R Jebavý A Nedovyesov | 63 | 6 | [10] | R Jebavý A Nedovyesov | 1 | 4 | |||||||||||||||||||||
| 3 | M Daniell P Oswald | 2 | 4 | S Bolelli M González | 6 | 6 | |||||||||||||||||||||
| S Bolelli M González | 6 | 6 | S Bolelli M González | 6 | 6 | ||||||||||||||||||||||
 M Purcell L Saville | 77 | 6 | M Purcell L Saville | 3 | 3 | ||||||||||||||||||||||
| M Cecchinato A Seppi | 65 | 4 | S Bolelli M González | 6 | 6 | ||||||||||||||||||||||
 R Arneodo  B Paire | 77 | 6 | O Marach A-u-H Qureshi | 3 | 3 | ||||||||||||||||||||||
 N Monroe S Querrey | 64 | 4 | R Arneodo B Paire | 6 | 7 | ||||||||||||||||||||||
| A Golubev A Vavassori | 4 | 64 | 4 | M Arévalo M Middelkoop | 2 | 5 | |||||||||||||||||||||
| 4 | M Arévalo M Middelkoop | 6 | 77 | R Arneodo B Paire | 3 | 2 | |||||||||||||||||||||
| M Reid M Venus | 79 | 6 | O Marach A-u-H Qureshi | 6 | 6 | ||||||||||||||||||||||
| N Lammons J Withrow | 67 | 3 | M Reid M Venus | 3 | 4 | ||||||||||||||||||||||
| O Marach A-u-H Qureshi | 6 | 6 | O Marach A-u-H Qureshi | 6 | 6 | ||||||||||||||||||||||
| 2 | R Klaasen B McLachlan | 3 | 4 | ||||||||||||||||||||||||
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| Grand Slam events | |
|---|---|
| ATP Tour Masters 1000 | |
| ATP Tour 500 | |
| ATP Tour 250 |
|
| Team events | |
 – Tournaments are affected by the COVID-19 pandemic * – Tournaments are introduced due to the impact of the COVID-19 pandemic | |