| Champ: |  Daria Kasatkina |
| Runner: | Jeļena Ostapenko |
| Score: | 6–3, 6–1 |
| Draw: | 56 |
| Seeds: | 16 |
| Type: | singles doubles |
| Before Name: | Volvo Car Open – Singles |
| After Name: | Volvo Car Open – Singles |
| Main Name: | Charleston Open |
See main article: 2017 Volvo Car Open.
Sloane Stephens was the defending champion, but did not participate this year as she was recovering from foot surgery.
Daria Kasatkina won her first WTA Tour title, defeating Jeļena Ostapenko in the final, 6–3, 6–1. This was the first final between two teenage players on the WTA tour since Yanina Wickmayer defeated Petra Kvitová at the 2009 Linz tournament.
The top eight seeds received a bye into the second round.