2020 Western & Southern Open – Women's singles
| Women's singles | |
|---|---|
| 2020 Western & Southern Open | |
| Champion | Victoria Azarenka | 
| Runner-up | Naomi Osaka | 
| Score | Walkover | 
| Draw | 56 (12Q / 5WC) | 
| Seeds | 16 | 
Victoria Azarenka won the women's singles tennis title at the 2020 Western & Southern Open, claiming victory via walkover after Naomi Osaka withdrew from the final with a hamstring injury. It was Azarenka's first singles title since the 2016 Miami Open, and her first since giving birth to her son, Leo, in December 2016.
Madison Keys was the defending champion, but she lost in the second round to Ons Jabeur.