| Women's doubles | |
|---|---|
| 2018 Odlum Brown Vancouver Open | |
| Champions |  Desirae Krawczyk  Giuliana Olmos |
| Runners-up |  Kateryna Kozlova  Arantxa Rus |
| Final score | 6–2, 7–5 |
Jessica Moore and Jocelyn Rae were the defending champions, however Rae retired from professional tennis in December 2017, while Moore decided not to participate.
Desirae Krawczyk and Giuliana Olmos won the title, defeating Kateryna Kozlova and Arantxa Rus in the final, 6–2, 7–5.
Naomi Broady / 
Fanny Stollár (first round) Desirae Krawczyk / Giuliana Olmos (champions)
Alexa Guarachi / 
Erin Routliffe (first round)
Anna Kalinskaya / Irina Khromacheva (quarterfinals, retired)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | N Broady F Stollár | 2 | 2 | ||||||||||||||||||||||||
| K Kozlova A Rus | 6 | 6 | K Kozlova A Rus | 6 | 6 | ||||||||||||||||||||||
 Y Bonaventure Y Wickmayer | 6 | 5 | [9] | M Brengle L Chirico | 3 | 3 | |||||||||||||||||||||
| M Brengle L Chirico | 1 | 7 | [11] | K Kozlova A Rus | 6 | 0 | |||||||||||||||||||||
| 3 | A Guarachi E Routliffe | 3 | 6 | [6] | WC |  C Branstine R Marino | 1 | 0r | |||||||||||||||||||
| WC | C Branstine R Marino | 6 | 3 | [10] | WC | C Branstine R Marino | 6 | 6 | |||||||||||||||||||
| WC | M Kostyuk  E Rybakina | 6 | 6 | WC | M Kostyuk E Rybakina | 3 | 4 | ||||||||||||||||||||
| WC | J Failla A Vagramov | 3 | 2 | K Kozlova A Rus | 2 | 5 | |||||||||||||||||||||
 M Doi  O Kalashnikova | 6 | 6 | 2 | D Krawczyk G Olmos | 6 | 7 | |||||||||||||||||||||
| K Dunne E Webley-Smith | 3 | 4 | M Doi O Kalashnikova | 6 | 1 | ||||||||||||||||||||||
 D Kovinić M Zanevska | 2 | 7 | [9] | 4 | A Kalinskaya I Khromacheva | 2 | 0r | ||||||||||||||||||||
| 4 | A Kalinskaya I Khromacheva | 6 | 5 | [11] | M Doi O Kalashnikova | 64 | 6 | [9] | |||||||||||||||||||
 M Inglis R McAdoo | 4 | 2 | 2 | D Krawczyk G Olmos | 77 | 2 | [11] | ||||||||||||||||||||
 B Haddad Maia L Stefani | 6 | 6 | B Haddad Maia L Stefani | 5 | 6 | [5] | |||||||||||||||||||||
| S Marand V Rodríguez | 2 | 2 | 2 | D Krawczyk G Olmos | 7 | 3 | [10] | ||||||||||||||||||||
| 2 | D Krawczyk G Olmos | 6 | 6 | ||||||||||||||||||||||||
Ashley Weinhold and Caitlin Whoriskey were the defending champions, but chose not to participate.
Johanna Konta and Maria Sanchez were the defending champions, having won the previous edition in 2015, but Konta chose to participate in Cincinnati instead. Sanchez partnered Sílvia Soler Espinosa, but they lost in the quarterfinals to Emina Bektas and Alexa Guarachi.
Ashley Weinhold and Caitlin Whoriskey were the defending champions, however both players chose to participate with different partners. Weinhold played alongside Naomi Broady, but lost in the first round to Desirae Krawczyk and Giuliana Olmos. Whoriskey partnered Jacqueline Cako, but they were defeated in the first round by Julia Boserup and Lesley Kerkhove.
Nao Hibino and Alicja Rosolska were the defending champions, but Rosolska chose to compete in Charleston instead. Hibino played alongside Darija Jurak, but lost in the quarterfinals to Valeria Savinykh and Yana Sizikova.
Monique Adamczak and Storm Sanders were the defending champions, but Sanders chose not to participate. Adamczak partnered Laura Robson but lost in the semifinals to Jessica Moore and Ellen Perez.
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose not to participate this year. Larsson played alongside Eugenie Bouchard, but lost in the first round to Rika Fujiwara and Darija Jurak.
Tímea Babos and Andrea Sestini Hlaváčková were the defending champions, but neither player chose to defend their title.
Jessica Pegula and Taylor Townsend were the defending champions, but both players decided not to participate.
This was the first edition of the tournament.
Tatjana Maria and Heather Watson were the defending champions, but only Maria chose to defend her title, partnering Christina McHale. The pair lost in the quarterfinals to Cornelia Lister and Renata Voráčová.
Anna Kalinskaya and Viktória Kužmová won the title, defeating defending champions Nicole Melichar and Květa Peschke in the final, 4–6, 7–5, [10–7].
Alicja Rosolska and Abigail Spears were the defending champions, but Spears chose not to participate this year. Rosolska played alongside Yang Zhaoxuan, but lost in the first round to Alexa Guarachi and Erin Routliffe.
Desirae Krawczyk and Giuliana Olmos were the defending champions, but Krawczyk chose not to participate. Olmos partnered alongside Alexa Guarachi but lost in the first round to Harriet Dart and Heather Watson.
Victoria Azarenka and Zheng Saisai were the defending champions, but Azarenka chose not to participate and Zheng chose to compete in Doha instead.
Robin Anderson and Jessika Ponchet were the defending champions when the event was held as an ITF W60 event in 2019, but Ponchet was unable to participate due to insufficient ranking. Anderson played alongside Erin Routliffe but lost in the first round to Kaitlyn Christian and Giuliana Olmos.
Tímea Babos and Kristina Mladenovic were the defending champions, but chose not to participate this year.
Maria Sanchez and Fanny Stollár were the defending champions from when the tournament was last held in 2019, but they lost in the semifinals to Ellen Perez and Astra Sharma.
Kateryna Bondarenko and Sharon Fichman were the defending champions but chose not to participate.
Hsieh Su-wei and Barbora Strýcová were the defending champions Strýcová retired from professional tennis in May 2021., while Hsieh played alongside Elise Mertens, but lost in the second round to Sharon Fichman and Giuliana Olmos.
Desirae Krawczyk and Giuliana Olmos were the reigning champions, but they decided not to participate this year.