| Champ: |  Petra Kvitová |
| Runner: | Lucie Šafářová |
| Score: | 6–7(6–8), 6–2, 6–2 |
| Draw: | 30 |
| Seeds: | 8 |
| Type: | women |
See main article: 2015 Connecticut Open.
Petra Kvitová was the defending champion, and successfully defended her title, defeating compatriot and fourth seed Lucie Šafářová in the final 6–7(6–8), 6–2, 6–2.
The top two seeds received a bye into the second round.
