The 2023 season on the WTA Tour kicks off at the end of December 2022 with the United Cup, which will be held, in Australia. You can see the list of tournaments on this page.
| Date | Category | Tournament | Surface | Winner |
| Dec 29 – Jan 8 | WTA 500 | United Cup | Hard | Team USA |
| Jan 1 – Jan 8 | WTA 500 | Adelaide International 1 | Hard | Aryna Sabalenka |
| Jan 2 – Jan 8 | WTA 250 | ASB Classic | Hard | Coco Gauff |
| Jan 2 – Jan 8 | WTA 250 | Hobart International | Hard | Lauren Davis |
| Jan 9 – Jan 14 | WTA 500 | Adelaide International 2 | Hard | Belinda Bencic |
| Jan 16 – Jan 29 | Grand Slam | Australian Open | Hard | |
| Jan 30 – Feb 5 | WTA 250 | Thailand Open | Hard | |
| Jan 30 – Feb 5 | WTA 250 | Open 6e Sens Métropole de Lyon | Hard |
| Date | Category | Tournament | Surface | Winner |
| Aug 1 – Aug 7 | WTA 250 | Citi Open | Hard | |
| Aug 1 – Aug 7 | WTA 500 | Mubadala Silicon Valley Classic | Hard | |
| Aug 8 – Aug 14 | WTA 1000 | National Bank Open Presented by Rogers | Hard | |
| Aug 15 – Aug 21 | WTA 1000 | Western & Southern Open | Hard | |
| Aug 21 – Aug 27 | WTA 250 | Tennis in the Land presented by Motorola edge | Hard | |
| Aug 21 – Aug 27 | WTA 250 | Championnats Banque Nationale de Granby | Hard | |
| Aug 29 – Sep 11 | Grand Slam | US Open | Hard |
