| Doubles | |
|---|---|
| 2012 Fukuoka International Women's Cup | |
| Champions |  Monique Adamczak Stephanie Bengson |
| Runners-up |  Misa Eguchi Akiko Omae |
| Final score | 6–4, 6–4 |
Shuko Aoyama and Rika Fujiwara were the defending champions, but Fujiwara chose not to participate. Aoyama paired up with Junri Namigata but lost in the first round to Chan Chin-wei and Hsu Wen-hsin.
Monique Adamczak and Stephanie Bengson won the title, defeating Misa Eguchi and Akiko Omae in the final, 6–4, 6–4.
Chan Yung-jan / 
Tamarine Tanasugarn (withdrew)
Jessica Pegula / 
Zheng Saisai (quarterfinals) Han Xinyun / Sun Shengnan (quarterfinals) Liu Wanting / Xu Yifan (quarterfinals)| First round | Quarterfinals | Semifinals | Finals | ||||||||||||||||||||||||
| LL | A Inoue A Yonemura | 6 | 6 | ||||||||||||||||||||||||
 T Arefyeva  J Jegiołka | 4 | 4 | LL | A Inoue A Yonemura | 6 | 2 | [10] | ||||||||||||||||||||
| S Aoyama J Namigata | 6 | 67 | [10] | C-w Chan W-h Hsu | 3 | 6 | [9] | ||||||||||||||||||||
| C-w Chan W-h Hsu | 2 | 79 | [12] | LL | A Inoue A Yonemura | 1 | 6 | [8] | |||||||||||||||||||
| 4 | X Han S Sun | 6 | 4 | [11] | M Adamczak S Bengson | 6 | 1 | [10] | |||||||||||||||||||
 K Lykina  M South | 2 | 6 | [9] | 4 | X Han S Sun | 6 | 3 | [4] | |||||||||||||||||||
| M Adamczak S Bengson | 6 | 6 | M Adamczak S Bengson | 3 | 6 | [10] | |||||||||||||||||||||
| Q | Y Koshino M Tanaka | 4 | 4 | M Adamczak S Bengson | 6 | 6 | |||||||||||||||||||||
| S Murray E Webley-Smith | 3 | 7 | [8] | WC | M Eguchi A Omae | 4 | 4 | ||||||||||||||||||||
 M Abramović R Tezuka | 6 | 5 | [10] | M Abramović R Tezuka | 3 | 6 | [10] | ||||||||||||||||||||
| Q | S Enmoto S Hisamitsu | 0 | 0 | 4 | W Liu Y Xu | 6 | 1 | [2] | |||||||||||||||||||
| 4 | W Liu Y Xu | 6 | 6 | M Abramović R Tezuka | 63 | 6 | [6] | ||||||||||||||||||||
| WC | M Ninomiya R Sawayanagi | 5 | 4 | WC | M Eguchi A Omae | 77 | 4 | [10] | |||||||||||||||||||
| WC | M Eguchi A Omae | 7 | 6 | WC | M Eguchi A Omae | 77 | 3 | [10] | |||||||||||||||||||
| WC | M Miyahara H Ogata | 1 | 1 | 2 | J Pegula S Zheng | 65 | 6 | [5] | |||||||||||||||||||
| 2 | J Pegula S Zheng | 6 | 6 | ||||||||||||||||||||||||
Chuang Chia-jung and Lisa Raymond were the defending champions, but they decided to not compete this year.
Other Taiwanese-American pair won this tournament. Chang Kai-chen and Lilia Osterloh defeated Shuko Aoyama and Rika Fujiwara 6–0, 6–3 in the final.
Misaki Doi and Kotomi Takahata were the defending champions but both chose not to participate.
Shuko Aoyama and Rika Fujiwara defeated Aiko Nakamura and Junri Namigata in the final 7–6(3), 6–0.
Li Na was the defending champion, but chose not to compete after winning the French Open singles title the previous week.
Chan Chin-wei and Chen Yi were the defending champions, both players chose to compete but participated with different partners and ended up playing each other in the second round with Chan and Han Xinyun defeating Chen and Liang Chen.
Tetiana Luzhanska and Zheng Saisai won the title, defeating Chan Chin-wei and Han Xinyun 6–4, 5–7, [10–4] in the final.
Shuko Aoyama and Rika Fujiwara were the defending Champions, but lost to Caroline Garcia and Michaëlla Krajicek in the semifinals.
Dinara Safina and Galina Voskoboeva were the defending champions, but both players chose not to participate.
Chang Kai-chen and Chuang Chia-jung won the title after defeating Chan Hao-ching and Rika Fujiwara 7–5, 6–4 in the final.
Tetiana Luzhanska and Zheng Saisai are the defending champions.
Chang Kai-chen and Chuang Chia-jung were the defending champions, but Chuang decided not to participate.
Chang played alongside Shuko Aoyama and successfully defended her title by defeating Janette Husárová and Zhang Shuai in the final, 6–7(4–7), 7–6(7–4), [14–12].
Shuko Aoyama and Chang Kai-chen were the defending champions, but decided not to participate this year.
Peng Shuai and Zhang Shuai were the defending champions, however Peng chose not to participate. Zhang partnered with Chuang Chia-jung, but lost in the first round to Anastasia Rodionova and Vera Zvonareva.
Chan Hao-ching and Chan Yung-jan won the title, defeating Shuko Aoyama and Tamarine Tanasugarn in the final, 2–6, 6–4, [10–3].
Shuko Aoyama and Renata Voráčová were the defending champions, but Voráčová chose not to participate. Aoyama partnered Makoto Ninomiya, but they lost in quarterfinals to Chuang Chia-jung and Liang Chen.
Chan Hao-ching and Chan Yung-jan won the title, defeating Misaki Doi and Kurumi Nara in the final, 6–1, 6–2.
This was the first edition of the tournament.
Chan Hao-ching and Chan Yung-jan won the title, defeating Eri Hozumi and Miyu Kato in the final, 6–4, 6–3.
Shuko Aoyama and Makoto Ninomiya were the defending champions, but lost in the first round.
Akiko Omae and Peangtarn Plipuech were the defending champions, but Plipuech chose to participate in Taipei instead. Omae partnered Ksenia Lykina and successfully defended her title. Omae and Lykina won the title, defeating Rika Fujiwara and Ayaka Okuno in the final, 6–7(4–7), 6–2, [10–5].
Anabel Medina Garrigues and Arantxa Parra Santonja were the defending champions, but chose not to participate this year.
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but neither player could participate this year due to injury.
Shuko Aoyama and Renata Voráčová were the defending champions, but lost in the quarterfinals to Kristie Ahn and Lauren Davis.
Chan Hao-ching and Latisha Chan were the defending champions, but Latisha could not participate due to a medical condition. Hao-ching played alongside Yang Zhaoxuan, but they lost in the first round to Nadiia Kichenok and Anastasia Rodionova.
Latisha Chan and Květa Peschke were the defending champions but Chan chose not to participate.
Chan Hao-ching and Latisha Chan were the defending champions from when the event was last held in 2019, but lost in the semifinals to Nicole Melichar and Demi Schuurs.