2021 Città di Forlì II – Doubles
# 2021 Città di Forlì II – Doubles

This was the first edition of the tournament.

Antonio Šančić and Tristan-Samuel Weissborn won the title after defeating Lukáš Rosol and Vitaliy Sachko $7–6^{(7–4)},$ 4–6, [10–7] in the final.

## Seeds

* Andrea Vavassori / David Vega Hernández (semifinals)
* Ivan Sabanov / Matej Sabanov (semifinals)
* Antonio Šančić / Tristan-Samuel Weissborn (champions)
* Alexander Erler / Lucas Miedler (quarterfinals)

## 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 | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Vavassori D Vega Hernández | 6 | 6 | | | | | | | | | | | | | | | | |
| WC | Filippo Caporali Augusto Virgili | 1 | 2 | | 1 | A Vavassori D Vega Hernández | 6 | 7 | | | | | | | | | | | |
| | J Sels G Smits | w/o | | | | J Sels G Smits | 4 | 5 | | | | | | | | | | | |
| | Y Maden D Masur | | | | | | | | | 1 | A Vavassori D Vega Hernández | 3 | 6 | [6] | | | | | |
| 4 | A Erler L Miedler | 6 | $7^7$ | | | | | | | | L Rosol V Sachko | 6 | 2 | [10] | | | | | |
| WC | Lorenzo Angelini F Gaio | 3 | $6^2$ | | 4 | A Erler L Miedler | 6 | 3 | [9] | | | | | | | | | | |
| | L Rosol V Sachko | 6 | 6 | | | L Rosol V Sachko | 4 | 6 | [11] | | | | | | | | | | |
| PR | B Lock CJ Lock | 3 | 4 | | | | | | | | | | | | | L Rosol V Sachko | $6^4$ | 6 | [7] |
| | M Bašić A Šetkić | $6^5$ | $6^3$ | | | | | | | | | | | | 3 | A Šančić T-S Weissborn | $7^7$ | 4 | [10] |
| WC | F Forti L Nardi | $7^7$ | $7^7$ | | WC | F Forti L Nardi | $6^3$ | 4 | | | | | | | | | | | |
| | VV Cornea M Pervolarakis | 4 | 5 | | 3 | A Šančić T-S Weissborn | $7^7$ | 6 | | | | | | | | | | | |
| 3 | A Šančić T-S Weissborn | 6 | 7 | | | | | | | 3 | A Šančić T-S Weissborn | 6 | 6 | | | | | | |
| | M Cressy M Geerts | $7^8$ | $6^2$ | [5] | | | | | | 2 | I Sabanov M Sabanov | 3 | 4 | | | | | | |
| | P Kotov P Matuszewski | $6^6$ | $7^7$ | [10] | | P Kotov P Matuszewski | 6 | 4 | [9] | | | | | | | | | | |
| | M Bortolotti S Martos Gornés | $6^4$ | 6 | [6] | 2 | I Sabanov M Sabanov | 3 | 6 | [11] | | | | | | | | | | |
| 2 | I Sabanov M Sabanov | $7^7$ | 4 | [10] | | | | | | | | | | | | | | | |
