| Year | Champions | Runners-up | Score |
|---|
| 2025 | Momoko Kobori
Ayano Shimizu | Emina Bektas
Lily Miyazaki | 6–1, 6–2 |
| 2024 | Liang En-shuo
Tang Qianhui | Kimberly Birrell
Rebecca Marino | 6–0, 6–3 |
| 2023 | Han Na-lae
Jang Su-jeong | Lee Ya-hsuan
Wu Fang-hsien | 7–6(7–3), 2–6, [10–8] |
| 2020–22 | |
| 2019 | Duan Yingying
Han Xinyun | Akiko Omae
Peangtarn Plipuech | 6–3, 4–6, [10–4] |
| 2018 | Rika Fujiwara
Yuki Naito | Ksenia Lykina
Emily Webley-Smith | 7–5, 6–4 |
| 2017 | Eri Hozumi
Miyu Kato | Katy Dunne
Julia Glushko | 6–4, 6–2 |
| 2016 | Eri Hozumi
Miyu Kato | Hiroko Kuwata
Ayaka Okuno | 6–1, 6–2 |
| 2015 | Wang Yafan
Xu Yifan | An-Sophie Mestach
Emily Webley-Smith | 6–2, 6–3 |
| 2014 | Jarmila Gajdošová
Arina Rodionova | Misaki Doi
Hsieh Shu-ying | 6–3, 6–3 |
| 2013 | Luksika Kumkhum
Erika Sema | Nao Hibino
Riko Sawayanagi | 6–4, 6–3 |
| 2012 | Jessica Pegula
Zheng Saisai | Chan Chin-wei
Hsu Wen-hsin | 6–4, 3–6, [10–4] |
| 2011 | Chan Hao-ching
Chan Yung-jan | Noppawan Lertcheewakarn
Erika Sema | 6–2, 6–3 |
| 2010 | Erika Sema
Tomoko Yonemura | Ksenia Lykina
Melanie South | 6–3, 2–6, [10–7] |
| 2009 | Sophie Ferguson
Aiko Nakamura | Misaki Doi
Kurumi Nara | 6–2, 6–1 |
| 2008 | Kimiko Date-Krumm
Kurumi Nara | Melanie South
Nicole Thijssen | 6–1, 6–7(8–10), [10–7] |
| 2007 | Ayumi Morita
Ai Sugiyama | Kumiko Iijima
Seiko Okamoto | 6–1, 3–6, 6–0 |
| 2006 | Chan Chin-wei
Hsieh Su-wei | Chan Yung-jan
Chuang Chia-jung | 7–6(7–5), 3–6, 7–5 |
| 2005 | Rika Fujiwara
Saori Obata | Ryōko Fuda
Seiko Okamoto | 6–1, 6–2 |
| 2004 | Cho Yoon-jeong
Jeon Mi-ra | Chuang Chia-jung
Wynne Prakusya | 7–6(7–4), 6–2 |
| 2003 | Rika Fujiwara
Saori Obata | Shinobu Asagoe
Nana Miyagi | 1–6, 7–5, 6–3 |
| 2002 | Cho Yoon-jeong
Evie Dominikovic | Shinobu Asagoe
Rika Fujiwara | 6–2, 6–2 |
| 2001 | Kim Eun-ha
Wynne Prakusya | Julie Pullin
Lorna Woodroffe | 1–6, 6–4, 7–6(7–2) |
| 2000 | Shinobu Asagoe
Yuka Yoshida | Surina De Beer
Esmé de Villiers | 6–3, 6–1 |
| 1999 | Chae Kyung-yee
Cho Yoon-jeong | Shiho Hisamatsu
Nana Miyagi | 6–2, 4–6, 6–2 |
| 1998 | Catherine Barclay
Kerry-Anne Guse | Cho Yoon-jeong
Park Sung-hee | 7–6, 6–4 |
| 1997 | Saori Obata
Kaoru Shibata | Shinobu Asagoe
Yasuko Nishimata | 6–3, 7–5 |