| Champ: |  Aryna Sabalenka |
| Runner: |  Petra Kvitová |
| Score: | 6–3, 6–3 |
| Type: | singles doubles |
| Draw: | 56 (8 / 4) |
| Seeds: | 16 |
| Before Name: | Qatar Total Open – Singles |
| After Name: | Qatar Total Open – Singles |
See main article: 2020 Qatar Total Open.
Aryna Sabalenka defeated Petra Kvitová in the final, 6–3, 6–3 to win the singles tennis title at the 2020 WTA Qatar Open.
Elise Mertens was the defending champion,[1] but lost in the second round to Yulia Putintseva.
The top eight seeds who played received a bye into the second round.