2018 Challenger Banque Nationale de Granby – Women's doubles
# 2018 Challenger Banque Nationale de Granby – Women's doubles

Ellen Perez and Carol Zhao were the defending champions, but Zhao chose not to participate.

Perez partnered alongside Arina Rodionova and successfully defended her title, beating Erika Sema and Aiko Yoshitomi in the final, 7–5, 6–4.

## Seeds

* Ellen Perez / Arina Rodionova (champions)
* Victoria Rodríguez / Erin Routliffe (withdrew)
* Manon Arcangioli / Olivia Tjandramulia (withdrew)
* Samantha Murray / Akiko Omae (semifinals)

## 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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | E Perez Ar Rodionova | 6 | 6 | | | | | | | | | | | | | |
| WC | A Arseneault J Bui | 2 | 0 | | 1 | E Perez Ar Rodionova | 6 | 6 | | | | | | | | |
| WC | LA Fernandez R Marino | 4 | 6 | [12] | WC | LA Fernandez R Marino | 3 | 3 | | | | | | | | |
| | C-y Hsu M Zacarías | 6 | 3 | [10] | | | | | 1 | E Perez Ar Rodionova | 6 | 6 | | | | |
| 3 | M Arcangioli O Tjandramulia | | | | | | | | | M Bouzková C Branstine | 1 | 3 | | | | |
| | M Bouzková C Branstine | w/o | | | | M Bouzková C Branstine | w/o | | | | | | | | | |
| | N Kolar A Riley | 3 | 3 | | | G Brescia C Ferrando | | | | | | | | | | |
| | G Brescia C Ferrando | 6 | 6 | | | | | | | | | | 1 | E Perez Ar Rodionova | 7 | 6 |
| | S Carrington E Siska | 2 | 2 | | | | | | | | | | | E Sema A Yoshitomi | 5 | 4 |
| | Q Gleason A Sharma | 6 | 6 | | | Q Gleason A Sharma | 3 | 3 | | | | | | | | |
| WC | C Leduc L Sleeth | 2 | 2 | | 4 | S Murray A Omae | 6 | 6 | | | | | | | | |
| 4 | S Murray A Omae | 6 | 6 | | | | | | 4 | S Murray A Omae | 1 | 4 | | | | |
| | E Sema A Yoshitomi | $6^5$ | 6 | [10] | | | | | | E Sema A Yoshitomi | 6 | 6 | | | | |
| | H Arakawa N Hanatani | $7^7$ | 3 | [5] | | E Sema A Yoshitomi | $7^7$ | 6 | | | | | | | | |
| | J Elie J Robinson | 6 | 6 | | | J Elie J Robinson | $6^5$ | 2 | | | | | | | | |
| Alt | I Boulais J Failla | 1 | 3 | | | | | | | | | | | | | |
