| Doubles | |
|---|---|
| 2018 Kangaroo Cup | |
| Champions |  Rika Fujiwara Yuki Naito |
| Runners-up |  Ksenia Lykina  Emily Webley-Smith |
| Score | 7–5, 6–4 |
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.
Rika Fujiwara and Yuki Naito won the title, defeating Lykina and Webley-Smith in the final, 7–5, 6–4.
Eri Hozumi / Makoto Ninomiya (semifinals) Naomi Broady / Katy Dunne (semifinals) Harriet Dart / Laura Robson (quarterfinals) Momoko Kobori / Hiroko Kuwata (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | E Hozumi M Ninomiya | 6 | 63 | [10] | |||||||||||||||||||||||
| A Omae K Takahata | 2 | 77 | [4] | 1 | E Hozumi M Ninomiya | 6 | 6 | ||||||||||||||||||||
A Okuno  T Patterson | 6 | 6 | A Okuno T Patterson | 2 | 2 | ||||||||||||||||||||||
| Q | H Kaji A Yoshitomi | 4 | 1 | 1 | E Hozumi M Ninomiya | 6 | 4 | [8] | |||||||||||||||||||
| 3 | H Dart L Robson | 6 | 2 | [12] | K Lykina E Webley-Smith | 2 | 6 | [10] | |||||||||||||||||||
| M Inoue K Okamura | 4 | 6 | [10] | 3 | H Dart L Robson | 3 | 63 | ||||||||||||||||||||
| K Lykina E Webley-Smith | 3 | 6 | [10] | K Lykina E Webley-Smith | 6 | 77 | |||||||||||||||||||||
E Sema  A Tere-Apisah | 6 | 3 | [8] | K Lykina E Webley-Smith | 5 | 4 | |||||||||||||||||||||
| R Fujiwara Y Naito | 6 | 7 | R Fujiwara Y Naito | 7 | 6 | ||||||||||||||||||||||
 YK Chiang M Imanishi | 1 | 5 | R Fujiwara Y Naito | 6 | 7 | ||||||||||||||||||||||
| WC | S Takoi Y Ukai | 2 | 2 | 4 | M Kobori H Kuwata | 2 | 5 | ||||||||||||||||||||
| 4 | M Kobori H Kuwata | 6 | 6 | R Fujiwara Y Naito | 77 | 6 | |||||||||||||||||||||
| WC | E Hayashi M Uchijima | 6 | 6 | 2 | N Broady K Dunne | 64 | 2 | ||||||||||||||||||||
| Q |  N-l Han R Kajitani | 4 | 4 | WC | E Hayashi M Uchijima | 3 | 4 | ||||||||||||||||||||
| C Muramatsu J Namigata | 4 | 2 | 2 | N Broady K Dunne | 6 | 6 | |||||||||||||||||||||
| 2 | N Broady K Dunne | 6 | 6 | ||||||||||||||||||||||||
Chan Chin-wei and Xu Yifan were the defending champions, however they lost to the third seeds Hiroko Kuwata and Junri Namigata in the semifinals.
Jarmila Gajdošová and Arina Rodionova were the defending champions, but both players chose to participate at the 2015 Internazionali BNL d'Italia.
This was a new event on the ITF Women's Circuit.
Eri Hozumi and Makoto Ninomiya were the defending champions, but both players chose to participate with different partners.
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Noppawan Lertcheewakarn and Lu Jiajing were the defending champions, but both players chose not to participate.
Wang Yafan and Xu Yifan were the defending champions, but both players chose to participate in Anning and Madrid instead, respectively.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but lost in the first round.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but Aoyama chose not to participate. Ninomiya partnered Akiko Omae, and lost in the quarterfinals to Eri Hozumi and Valeria Savinykh.
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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).
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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.
Mihaela Buzărnescu and Raluca Olaru were the defending champions, but Buzărnescu chose not to participate this year. Olaru played alongside Darija Jurak, but lost in the semifinals to Daria Gavrilova and Ellen Perez.
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Eri Hozumi and Zhang Shuai were the defending champions, but Zhang chose to compete in Nanchang instead. Hozumi played alongside Makoto Ninomiya, but lost in the quarterfinals to Christina McHale and Valeria Savinykh.
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.
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.
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