| 2026 | Gauff C. | Pegula J. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 13 Aug 2026 – 24 Aug 2026 |
| 2025 | Swiatek I. | Paolini J. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 7 Aug 2025 – 18 Aug 2025 |
| 2024 | Sabalenka A. | Pegula J. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 13 Aug 2024 – 19 Aug 2024 |
| 2023 | Gauff C. | Muchova K. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 14 Aug 2023 – 20 Aug 2023 |
| 2022 | Garcia C. | Kvitova P. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 15 Aug 2022 – 21 Aug 2022 |
| 2021 | Barty A. | Teichmann J. | Western & Southern Financial Group Women's Open 1000 | Cincinnati, Hard | 16 Aug 2021 – 22 Aug 2021 |
| 2019 | Keys M. | Kuznetsova S. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 12 Aug 2019 – 18 Aug 2019 |
| 2018 | Bertens K. | Halep S. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 13 Aug 2018 – 19 Aug 2018 |
| 2017 | Muguruza G. | Halep S. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 14 Aug 2017 – 20 Aug 2017 |
| 2016 | Pliskova Ka. | Kerber A. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 15 Aug 2016 – 21 Aug 2016 |
| 2015 | Williams S. | Halep S. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 17 Aug 2015 – 23 Aug 2015 |
| 2014 | Williams S. | Ivanovic A. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 11 Aug 2014 – 17 Aug 2014 |
| 2013 | Azarenka V. | Williams S. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 12 Aug 2013 – 18 Aug 2013 |
| 2012 | Li N. | Kerber A. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 13 Aug 2012 – 19 Aug 2012 |
| 2011 | Sharapova M. | Jankovic J. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 15 Aug 2011 – 21 Aug 2011 |
| 2010 | Clijsters K. | Sharapova M. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 9 Aug 2010 – 15 Aug 2010 |
| 2009 | Jankovic J. | Safina D. | Western & Southern Financial Group Women's Open Premier | Cincinnati, Hard | 10 Aug 2009 – 16 Aug 2009 |
| 2008 | Petrova N. | Dechy N. | Western & Southern Financial Group Women's Open 250 | Cincinnati, Hard | 11 Aug 2008 – 17 Aug 2008 |
| 2007 | Chakvetadze A. | Morigami A. | Western & Southern Financial Group Women's Open 250 | Cincinnati, Hard | 16 Jul 2007 – 22 Jul 2007 |