| Champ: |  Aryna Sabalenka |
| Runner: |  Carla Suárez Navarro |
| Score: | 6–1, 6–4 |
| Draw: | 30 |
| Type: | women |
| Before Name: | Connecticut Open – Singles |
| After Year: | no |
See main article: article and 2018 Connecticut Open.
Daria Gavrilova was the defending champion,[1] but lost to Aryna Sabalenka in the second round.
Sabalenka went on to win her first WTA Tour title, defeating Carla Suárez Navarro in the final, 6–1, 6–4. Suárez Navarro reached the final despite playing only one completed match in the first four rounds.
The top two seeds received byes into the second round.