| Women's doubles | |
|---|---|
| 2018 ASB Classic | |
| Champions |  Sara Errani  Bibiane Schoofs |
| Runners-up |  Eri Hozumi Miyu Kato |
| Score | 7–5, 6–1 |
| Draw | 16 |
| Seeds | 4 |
Kiki Bertens and Johanna Larsson were the defending champions, but Bertens chose to compete in Brisbane instead and Larsson chose not to participate this year.
Sara Errani and Bibiane Schoofs won the title, defeating Eri Hozumi and Miyu Kato in the final, 7–5, 6–1.
Eri Hozumi / Miyu Kato (final) Nao Hibino / 
Darija Jurak (semifinals)
Naomi Broady / 
María Irigoyen (first round)
Arina Rodionova / 
Maryna Zanevska (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | E Hozumi M Kato | 6 | 6 | ||||||||||||||||||||||||
 L Davis C McHale | 4 | 2 | 1 | E Hozumi M Kato | 6 | 6 | |||||||||||||||||||||
| K Christian S Kenin | 1 | 1 | Y Bonaventure  V Golubic | 3 | 3 | ||||||||||||||||||||||
| Y Bonaventure V Golubic | 6 | 6 | 1 | E Hozumi M Kato | 6 | 6 | |||||||||||||||||||||
| 3 | N Broady M Irigoyen | 4 | 3 | M Brengle N Melichar | 3 | 3 | |||||||||||||||||||||
| M Brengle N Melichar | 6 | 6 | M Brengle N Melichar | 7 | 6 | ||||||||||||||||||||||
A Rus  S Soler Espinosa | 6 | 2 | [10] | A Rus S Soler Espinosa | 5 | 3 | |||||||||||||||||||||
| WC |  PM Hourigan E Routliffe | 2 | 6 | [5] | 1 | E Hozumi M Kato | 5 | 1 | |||||||||||||||||||
A Muhammad  B Štefková | 4 | 2 | S Errani B Schoofs | 7 | 6 | ||||||||||||||||||||||
| S Errani B Schoofs | 6 | 6 | S Errani B Schoofs | 6 | 77 | ||||||||||||||||||||||
| T Mrdeža C Perrin | 1 | 3 | 4 | Ar Rodionova M Zanevska | 4 | 61 | |||||||||||||||||||||
| 4 | Ar Rodionova M Zanevska | 6 | 6 | S Errani B Schoofs | 6 | 6 | |||||||||||||||||||||
 M Fręch  P Thombare | 5 | 6 | [10] | 2 | N Hibino D Jurak | 4 | 3 | ||||||||||||||||||||
 M Barthel D Vekić | 7 | 3 | [8] | M Fręch P Thombare | 6 | 63 | [3] | ||||||||||||||||||||
| WC |  S-y Hsieh J Lewis | 1 | 0 | 2 | N Hibino D Jurak | 4 | 77 | [10] | |||||||||||||||||||
| 2 | N Hibino D Jurak | 6 | 6 | ||||||||||||||||||||||||
Ysaline Bonaventure and Demi Schuurs were the defending champions, but Bonaventure chose not to participate this year. Schuurs played alongside Oksana Kalashnikova, but lost in the quarterfinals to Valentyna Ivakhnenko and Marina Melnikova.
Eri Hozumi and Miyu Kato won the title, defeating Ivakhnenko and Melnikova in the final, 3–6, 7–5, [10–8].
Wang Yafan and Xu Yifan were the defending champions, but both players chose to participate in Anning and Madrid instead, respectively.
Asia Muhammad and Laura Siegemund were the defending champions, but Siegemund chose not to participate this year. Muhammad played alongside María José Martínez Sánchez, but lost in the quarterfinals to Alexandra Panova and Amra Sadiković.
Oksana Kalashnikova and Yaroslava Shvedova won the title, defeating Xenia Knoll and Aleksandra Krunić in the final, 6–1, 6–1.
This was the first edition of the tournament.
Martina Hingis and Sania Mirza were the defending champions, but chose not to participate together. Hingis played alongside CoCo Vandeweghe, but lost in the second round to Ashleigh Barty and Casey Dellacqua. Mirza teamed up with Barbora Strýcová, but lost in the third round to Eri Hozumi and Miyu Kato.
Caroline Garcia and Kristina Mladenovic were the defending champions, but Garcia chose not to participate this year. Mladenovic played alongside Svetlana Kuznetsova, but lost in the third round to Bethanie Mattek-Sands and Lucie Šafářová.
Eri Hozumi and Miyu Kato were the defending champions and successfully defended their title, defeating Katy Dunne and Julia Glushko in the final, 6–4, 6–2.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but chose not to compete together. Aoyama played alongside Yang Zhaoxuan, and successfully defended her title, defeating Monique Adamczak and Storm Sanders in the final 6–0, 2–6, [10–5]. Ninomiya teamed up with Renata Voráčová, but lost to Aoyama and Yang in the semifinals.
Hiroko Kuwata and Akiko Omae were the defending champions, but Omae chose not to participate. Kuwata played alongside Laura Robson, but they lost in the semifinals to Eri Hozumi and Miyu Kato.
Eri Hozumi and Miyu Kato were the defending champions, but Kato chose not to participate this year. Hozumi played alongside Asia Muhammad, but lost in the final to sisters Hsieh Shu-ying and Hsieh Su-wei, 1–6, 6–7(3–7).
Ashleigh Barty and Arina Rodionova were the defending champions, having won the previous edition in 2016, however both players chose to participate at the 2018 Miami Open instead.
Eri Hozumi and Miyu Kato were the defending champions, but Kato chose to compete at the 2018 J&T Banka Prague Open. Hozumi chose to partner Makoto Ninomiya but lost in the semifinals to Ksenia Lykina and Emily Webley-Smith.
Barbora Krejčíková and Kateřina Siniaková defeated Eri Hozumi and Makoto Ninomiya in the final, 6–3, 6–3 to win the women's doubles tennis title at the 2018 French Open. It was their first major title together.
Shuko Aoyama and Yang Zhaoxuan were the defending champions, but Yang chose not to participate. Aoyama played alongside Duan Yingying, but lost in the semifinals to Eri Hozumi and Zhang Shuai.
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.
Miyu Kato and Makoto Ninomiya were the defending champions but chose to participate with different partners. Kato played alongside Storm Sanders, but they lost in the first round to Gabriela Dabrowski and Caroline Garcia. Ninomiya partnered Eri Hozumi, but lost in the quarterfinals to Nadiia Kichenok and Abigail Spears.
Eri Hozumi and Moyuka Uchijima were the defending champions but chose to participate with different partners. Hozumi partnered Mana Ayukawa, but lost in the first round to Wu Fang-hsien and Zhang Ying.
Magdalena Fręch and Katarzyna Kawa were the defending champions but chose not to participate.
Alexa Guarachi and Erin Routliffe were the defending champions but Guarachi chose to compete at Rome instead.
Kaitlyn Christian and Sabrina Santamaria were the defending champions, but chose not to participate together. Christian signed up with Lidziya Marozava, but they withdrew before the start of the tournament because they were still playing at the Madrid Open. Santamaria played alongside Miyu Kato but lost in the quarterfinals to Julia Lohoff and Renata Voráčová.