# 2018 Rogers Cup – Men's doubles

Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but lost in the second round to Kevin Anderson and Novak Djokovic.
Henri Kontinen and John Peers won the title, defeating Raven Klaasen and Michael Venus in the final, 6–2, 6–7$^{(7–9)}$, [10–6].

## Seeds

All seeds received a bye into the second round.
* Oliver Marach / Mate Pavić (semifinals)
* Henri Kontinen / John Peers (champions)
* Pierre-Hugues Herbert / Nicolas Mahut (second round)
* Mike Bryan / Jack Sock (quarterfinals)
* Łukasz Kubot / Marcelo Melo (second round)
* Jamie Murray / Bruno Soares (second round)
* Jean-Julien Rojer / Horia Tecău (quarterfinals)
* Juan Sebastián Cabal / Robert Farah (second round)

## 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 |
| 1 | Oliver Marach Mate Pavić | 6 | 6$^5$ | [3] | | | | | |
| | Raven Klaasen Michael Venus | 4 | 7$^7$ | [10] | | | | | |
| | Raven Klaasen Michael Venus | 4 | 7$^7$ | [10] | | Raven Klaasen Michael Venus | 2 | 7$^9$ | [6] |
| | | | | | 2 | Henri Kontinen John Peers | 6 | 6$^7$ | [10] |
| | Nikola Mektić Alexander Peya | 6$^2$ | 6 | [10] | 2 | Henri Kontinen John Peers | 6 | 6$^7$ | [10] |
| 2 | Henri Kontinen John Peers | 7$^7$ | 4 | [12] | | | | | |

### Top 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 |
| | | | | | 1 | O Marach M Pavić | w/o | | | | | | | | | | | | |
| | G Dimitrov D Goffin | 7$^7$ | 6 | | | G Dimitrov D Goffin | | | | | | | | | | | | | |
| Alt | J Chardy L Pouille | 6$^5$ | 4 | | | | | | | 1 | O Marach M Pavić | 6$^5$ | 7 | [10] | | | | | |
| | B McLachlan M Middelkoop | 5 | 6 | [10] | | | | | | 7 | J-J Rojer H Tecău | 7$^7$ | 5 | [6] | | | | | |
| | B Ćorić R Haase | 7 | 3 | [7] | | B McLachlan M Middelkoop | 3 | 6 | [5] | | | | | | | | | | |
| | | | | | 7 | J-J Rojer H Tecău | 6 | 3 | [10] | | | | | | | | | | |
| | | | | | | | | | | | | | | | 1 | O Marach M Pavić | 6 | 6$^5$ | [3] |
| | | | | | | | | | | | | | | | | R Klaasen M Venus | 4 | 7$^7$ | [10] |
| | | | | | 4 | M Bryan J Sock | 7$^7$ | 6 | | | | | | | | | | | |
| | F López M López | 6$^6$ | 6 | [10] | | F López M López | 6$^3$ | 3 | | | | | | | | | | | |
| WC | D Nestor V Pospisil | 7$^8$ | 2 | [6] | | | | | | 4 | M Bryan J Sock | 6$^5$ | 4 | | | | | | |
| | R Klaasen M Venus | 6 | 6 | | | | | | | | R Klaasen M Venus | 7$^7$ | 6 | | | | | | |
| Alt | A Sitak S Tsitsipas | 4 | 4 | | | R Klaasen M Venus | 6 | 5 | [11] | | | | | | | | | | |
| | | | | | 5 | Ł Kubot M Melo | 3 | 7 | [9] | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 6 | J Murray B Soares | 4 | 4 | | | | | | | | | | |
| | N Mektić A Peya | 6 | 6 | | | N Mektić A Peya | 6 | 6 | | | | | | | | | | |
| | I Dodig N Kyrgios | 2 | 2 | | | | | | | | N Mektić A Peya | 7 | 7 | | | | | |
| | K Anderson N Djokovic | 6 | 6 | | | | | | | | K Anderson N Djokovic | 5 | 5 | | | | | |
| WC | F Auger-Aliassime D Shapovalov | 3 | 2 | | | K Anderson N Djokovic | 4 | 6 | [10] | | | | | | | | | |
| | | | | | 3 | P-H Herbert N Mahut | 6 | 4 | [7] | | | | | | | | | |
| | | | | | | | | | | | | | | | N Mektić A Peya | 6$^2$ | 6 | [10] |
| | | | | | | | | | | | | | | 2 | H Kontinen J Peers | 7$^7$ | 4 | [12] |
| | | | | | 8 | JS Cabal R Farah | 5 | 6 | [8] | | | | | | | | | |
| Alt | S Querrey R Ram | 7$^7$ | 6 | | Alt | S Querrey R Ram | 7 | 4 | [10] | | | | | | | | | |
| | M Cecchinato D Džumhur | 6$^4$ | 3 | | | | | | | Alt | S Querrey R Ram | 6$^7$ | 3 | | | | | |
| | P Carreño Busta J Sousa | 4 | 6 | [10] | | | | | | 2 | H Kontinen J Peers | 7$^9$ | 6 | | | | | |
| | É Roger-Vasselin F Verdasco | 6 | 2 | [4] | | P Carreño Busta J Sousa | 5 | 1 | | | | | | | | | | |
| | | | | | 2 | H Kontinen J Peers | 7 | 6 | | | | | | | | | | |