# 2018 Italian Open – Men's doubles

Pierre-Hugues Herbert and Nicolas Mahut were the defending champions but chose not to defend their title.
Łukasz Kubot and Mate Pavić were in contention for the ATP no. 1 doubles ranking at the beginning of the tournament. Pavić attained the top ranking after both he and Kubot (along with their respective partners) lost in the quarterfinals. Pavić will be the first player from Croatia (male or female) to achieve a no. 1 ranking and the youngest ATP doubles no. 1 player since 1996.
Juan Sebastián Cabal and Robert Farah won their first Masters 1000 title, defeating Pablo Carreño Busta and João Sousa in the final, 3–6, 6–4, [10–4].

## Seeds

All seeds receive a bye into the second round.
* Łukasz Kubot / Marcelo Melo (quarterfinals)
* Oliver Marach / Mate Pavić (quarterfinals)
* Bob Bryan / Mike Bryan (withdrew due to Bob Bryan's hip injury)
* Henri Kontinen / John Peers (quarterfinals)
* Jamie Murray / Bruno Soares (semifinals)
* Juan Sebastián Cabal / Robert Farah (champions)
* Rohan Bopanna / Édouard Roger-Vasselin (second round)
* Feliciano López / Marc López (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 6 | Juan Sebastián Cabal Robert Farah | 7$^7$ | 3 | [10] | | | | | |
| 5 | Jamie Murray Bruno Soares | 6$^4$ | 6 | [8] | | | | | |
| 5 | Jamie Murray Bruno Soares | 6$^4$ | 6 | [8] | 6 | Juan Sebastián Cabal Robert Farah | 3 | 6 | [10] |
| | | | | | Alt | Pablo Carreño Busta João Sousa | 6 | 4 | [4] |
| Alt | Pablo Carreño Busta João Sousa | 3 | 7$^7$ | [10] | Alt | Pablo Carreño Busta João Sousa | 6 | 4 | [4] |
| | Pablo Cuevas Marcel Granollers | 6 | 6$^5$ | [5] | | | | | |

### Top half

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | 1 | Ł Kubot M Melo | 7$^7$ | 6$^5$ | [10] | | | | | | | | | | |
| S González A-u-H Qureshi | 6 | 6 | | S González A-u-H Qureshi | 6$^4$ | 7$^7$ | [2] | | | | | | | | | | |
| D Schwartzman D Shapovalov | 2 | 2 | | | | | | 1 | Ł Kubot M Melo | 3 | 5 | | | | | | |
| R Haase J-J Rojer | 6 | 6 | | | | | | 6 | JS Cabal R Farah | 6 | 7 | | | | | | |
| J Peralta H Zeballos | 4 | 4 | | R Haase J-J Rojer | 7$^7$ | 5 | [8] | | | | | | | | | | |
| | | | 6 | JS Cabal R Farah | 6$^5$ | 7 | [10] | | | | | | | | | | |
| | | | | | | | | | | | | | 6 | JS Cabal R Farah | 7$^7$ | 3 | [10] |
| | | | | | | | | | | | | | 5 | J Murray B Soares | 6$^4$ | 6 | [8] |
| | | | 4 | H Kontinen J Peers | 7$^7$ | 6 | | | | | | | | | | | |
| N Mektić A Peya | 6$^8$ | 4 | | J Isner J Sock | 6$^2$ | 3 | | | | | | | | | | | |
| J Isner J Sock | 7$^{10}$ | 6 | | | | | | 4 | H Kontinen J Peers | 4 | 6 | [5] | | | | | |
| R Harrison F Verdasco | 2 | 4 | | | | | | 5 | J Murray B Soares | 6 | 2 | [10] | | | | | |
| R Klaasen M Venus | 6 | 6 | | R Klaasen M Venus | 3 | 4 | | | | | | | | | | | |
| | | | 5 | J Murray B Soares | 6 | 6 | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 8 | F López M López | w/o | | | | | | | | | | | | |
| WC | S Bolelli F Fognini | 4 | 6 | [9] | | JM del Potro L Mayer | | | | | | | | | | | | | |
| | JM del Potro L Mayer | 6 | 1 | [11] | | | | | | 8 | F López M López | 6 | 3 | [4] | | | | | |
| | S Querrey R Ram | 6 | 7 | | | | | | | Alt | P Carreño Busta J Sousa | 1 | 6 | [10] | | | | | |
| | A Mannarino L Pouille | 3 | 5 | | | S Querrey R Ram | 6 | 3 | [5] | | | | | | | | | | |
| | | | | | Alt | P Carreño Busta J Sousa | 3 | 6 | [10] | | | | | | | | | | |
| | | | | | | | | | | | | | | | Alt | P Carreño Busta J Sousa | 3 | 7$^7$ | [10] |
| | | | | | | | | | | | | | | | | P Cuevas M Granollers | 6 | 6$^5$ | [5] |
| | | | | | 7 | R Bopanna É Roger-Vasselin | 6$^5$ | 4 | | | | | | | | | | | |
| WC | J Ocleppo A Vavassori | 4 | 4 | | | P Cuevas M Granollers | 7$^7$ | 6 | | | | | | | | | | | |
| | P Cuevas M Granollers | 6 | 6 | | | | | | | | P Cuevas M Granollers | 6 | 7$^7$ | | | | | | |
| | S Johnson D Thiem | 6$^4$ | 6 | [10] | | | | | | 2 | O Marach M Pavić | 3 | 6$^4$ | | | | | | |
| | A Zverev M Zverev | 7$^7$ | 3 | [7] | | S Johnson D Thiem | 6 | 3 | [14] | | | | | | | | | | |
| | | | | | 2 | O Marach M Pavić | 0 | 6 | [16] | | | | | | | | | | |