| 2025 | Bencic B. | Noskova L. | Toray Pan Pacific Open Tennis Tournament 500 | Tokyo, Hard | 20 Oct 2025 – 26 Oct 2025 |
| 2024 | Zheng Q. | Kenin S. | Toray Pan Pacific Open Tennis Tournament 500 | Tokyo, Hard | 21 Oct 2024 – 27 Oct 2024 |
| 2023 | Kudermetova V. | Pegula J. | Toray Pan Pacific Open Tennis Tournament 500 | Tokyo, Hard | 25 Sept 2023 – 1 Oct 2023 |
| 2022 | Samsonova L. | Zheng Q. | Toray Pan Pacific Open Tennis Tournament 500 | Tokyo, Hard | 19 Sept 2022 – 25 Sept 2022 |
| 2019 | Hibino N. | Doi M. | Japan Women's Tennis Open 250 | Tokyo, Hard | 9 Sept 2019 – 15 Sept 2019 |
| 2018 | Hsieh S.W. | Anisimova A. | Japan Women's Tennis Open 250 | Tokyo, Hard | 10 Sept 2018 – 16 Sept 2018 |
| 2017 | Diyas Z. | Kato M. | Japan Women's Tennis Open 250 | Tokyo, Hard | 11 Sept 2017 – 17 Sept 2017 |
| 2016 | McHale C. | Siniakova K. | Japan Women's Tennis Open 250 | Tokyo, Hard | 12 Sept 2016 – 18 Sept 2016 |
| 2015 | Wickmayer Y. | Linette M. | Japan Women's Tennis Open 250 | Tokyo, Hard | 14 Sept 2015 – 20 Sept 2015 |
| 2014 | Ivanovic A. | Wozniacki C. | Toray Pan Pacific Open Premier | Tokyo, Hard | 15 Sept 2014 – 21 Sept 2014 |
| 2013 | Kvitova P. | Kerber A. | Toray Pan Pacific Open Premier | Tokyo, Hard | 22 Sept 2013 – 28 Sept 2013 |
| 2012 | Petrova N. | Radwanska A. | Toray Pan Pacific Open Premier | Tokyo, Hard | 23 Sept 2012 – 29 Sept 2012 |
| 2011 | Radwanska A. | Zvonareva V. | Toray Pan Pacific Open Premier | Tokyo, Hard | 25 Sept 2011 – 1 Oct 2011 |
| 2010 | Wozniacki C. | Dementieva E. | Toray Pan Pacific Open Premier | Tokyo, Hard | 26 Sept 2010 – 2 Oct 2010 |
| 2009 | Sharapova M. | Jankovic J. | Toray Pan Pacific Open Premier | Tokyo, Hard | 27 Sept 2009 – 3 Oct 2009 |
| 2008 | Safina D. | Kuznetsova S. | Toray Pan Pacific Open 1000 | Tokyo, Hard | 16 Sept 2008 – 21 Sept 2008 |
| 2007 | Hingis M. | Ivanovic A. | Toray Pan Pacific Open 1000 | Tokyo, Carpet | 30 Jan 2007 – 4 Feb 2007 |