# 2017 Connecticut Open – Singles

Agnieszka Radwańska was the defending champion, but lost in the semifinals to Daria Gavrilova.
Gavrilova went on to win her first WTA Tour title, defeating Dominika Cibulková in the final, 4–6, 6–3, 6–4.

## Seeds

The top two seeds received a bye into the second round.
* Agnieszka Radwańska (semifinals)
* Dominika Cibulková (final)
* Petra Kvitová (first round)
* Kristina Mladenovic (first round)
* Elena Vesnina (first round)
* Anastasia Pavlyuchenkova (quarterfinals)
* Barbora Strýcová (first round)
* Peng Shuai (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Agnieszka Radwańska | 4 | 4 | | | | | |
| | Daria Gavrilova | 6 | 6 | | | | | |
| | Daria Gavrilova | 6 | 6 | | Daria Gavrilova | 4 | 6 | 6 |
| | | | | 2 | Dominika Cibulková | 6 | 3 | 4 |
| Q | Elise Mertens | 1 | 3 | 2 | Dominika Cibulková | 6 | 3 | 4 |
| 2 | Dominika Cibulková | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | A Radwańska | 6 | 7 | | | | | | | | |
| | L Davis | 1 | 3 | | WC | E Bouchard | 3 | 5 | | | | | | | | |
| WC | E Bouchard | 6 | 6 | | | | | | 1 | A Radwańska | 7 | 6 | | | | |
| | M Lučić-Baroni | 6 | 6$^3$ | 6 | | | | | 8 | S Peng | 5 | 3 | | | | |
| | A Kontaveit | 4 | 7$^7$ | 3 | | M Lučić-Baroni | 2 | 3 | | | | | | | | |
| | K Siniaková | 6 | 3 | 6$^3$ | 8 | S Peng | 6 | 6 | | | | | | | | |
| 8 | S Peng | 1 | 6 | 7$^7$ | | | | | | | | | 1 | A Radwańska | 4 | 4 |
| 4 | K Mladenovic | 5 | 5 | | | | | | | | | | | D Gavrilova | 6 | 6 |
| | T Babos | 7 | 7 | | | T Babos | 5 | 6$^6$ | | | | | | | | |
| | D Gavrilova | 7 | 4 | 7 | | D Gavrilova | 7 | 7$^8$ | | | | | | | | |
| Q | Kr Plíšková | 5 | 6 | 5 | | | | | | D Gavrilova | 6 | 6 | | | | |
| | L Tsurenko | 2 | 3 | | | | | | Q | K Flipkens | 2 | 4 | | | | |
| Q | K Flipkens | 6 | 6 | | Q | K Flipkens | 6 | 7$^7$ | | | | | | | | |
| Q | A Bogdan | 7 | 7 | | Q | A Bogdan | 1 | 6$^1$ | | | | | | | | |
| 5 | E Vesnina | 5 | 5 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | B Strýcová | 5 | 3 | | | | | | | | | | | | | | |
| | D Kasatkina | 7 | 6 | | | D Kasatkina | 2 | 5 | | | | | | | | | |
| | K Bertens | 6 | 4 | 2 | Q | E Mertens | 6 | 7 | | | | | | | | | |
| Q | E Mertens | 4 | 6 | 6 | | | | | | Q | E Mertens | w/o | | | | | |
| Q | M Linette | 6 | 6 | | | | | | | | S Zhang | | | | | | |
| | R Vinci | 3 | 1 | | Q | M Linette | 3 | 7$^7$ | 3 | | | | | | | | |
| | S Zhang | 6 | 6 | | | S Zhang | 6 | 6$^4$ | 6 | | | | | | | | |
| 3 | P Kvitová | 2 | 1 | | | | | | | | | | | Q | E Mertens | 1 | 3 |
| 6 | A Pavlyuchenkova | 3 | 6 | 6 | | | | | | | | | | 2 | D Cibulková | 6 | 6 |
| LL | C McHale | 6 | 2 | 4 | 6 | A Pavlyuchenkova | 7$^7$ | 6 | | | | | | | | | |
| | C Suárez Navarro | 6 | 4 | | | C Suárez Navarro | 6$^3$ | 0 | | | | | | | | | |
| Q | J Čepelová | 4 | 0$^r$ | | | | | | | 6 | A Pavlyuchenkova | 5 | 4 | | | | |
| | Y Putintseva | 0 | 0 | | | | | | | 2 | D Cibulková | 7 | 6 | | | | |
| | A Cornet | 6 | 6 | | | A Cornet | 6 | 2 | 4 | | | | | | | | |
| | | | | | 2 | D Cibulková | 2 | 6 | 6 | | | | | | | | |

## Qualifying
### Seeds

* Magdaléna Rybáriková (qualifying competition)
* Kristýna Plíšková (qualified)
* Elise Mertens (qualified)
* Mona Barthel (first round)
* Johanna Larsson (second round)
* Irina-Camelia Begu (second round)
* Shelby Rogers (first round)
* Christina McHale (qualifying competition, lucky loser)
* Lara Arruabarrena (second round)
* Tatjana Maria (second round)
* Natalia Vikhlyantseva (qualifying competition)
* Varvara Lepchenko (second round)

### Qualifiers

* Kirsten Flipkens
* Kristýna Plíšková
* Elise Mertens
* Magda Linette
* Ana Bogdan
* Jana Čepelová

### Lucky losers

* Christina McHale

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Magdaléna Rybáriková | 6 | 6 | | | | | | | | | | |
| WC | Brienne Minor | 1 | 1 | | | | | | | | | | |
| WC | Brienne Minor | 1 | 1 | | 1 | Magdaléna Rybáriková | 7 | 0 | | | | | |
| | | | | | WC | Vera Zvonareva | 5 | 0$^r$ | | | | | |
| WC | Vera Zvonareva | 2 | 6 | 6 | WC | Vera Zvonareva | 5 | 0$^r$ | | | | | |
| | Anastasia Rodionova | 6 | 3 | 1 | | | | | | | | | |
| | Anastasia Rodionova | 6 | 3 | 1 | | | | | | 1 | Magdaléna Rybáriková | 3 | 4 |
| | | | | | | | | | | | Kirsten Flipkens | 6 | 6 |
| | Kirsten Flipkens | 6 | 6 | | | | | | | | | | | Kirsten Flipkens | 6 | 6 |
| | Barbora Krejčíková | 3 | 1 | | | | | | | | | | |
| | Barbora Krejčíková | 3 | 1 | | | Kirsten Flipkens | 6$^4$ | 6 | 7 | | | | |
| | | | | | 10 | Tatjana Maria | 7$^7$ | 4 | 5 | | | | |
| | Evgeniya Rodina | 4 | 1 | | 10 | Tatjana Maria | 7$^7$ | 4 | 5 | | | | |
| 10 | Tatjana Maria | 6 | 6 | | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Kristýna Plíšková | 6 | 6$^6$ | 6 | | | | | | | | | | |
| | Arina Rodionova | 2 | 7$^8$ | 2 | | | | | | | | | | |
| | Arina Rodionova | 2 | 7$^8$ | 2 | 2 | Kristýna Plíšková | 6 | 4 | 6 | | | | | |
| | | | | | | Viktoriya Tomova | 1 | 6 | 3 | | | | | |
| WC | Maria Mateas | 6$^5$ | 3 | | | Viktoriya Tomova | 1 | 6 | 3 | | | | | |
| | Viktoriya Tomova | 7$^7$ | 6 | | | | | | | | | | | |
| | Viktoriya Tomova | 7$^7$ | 6 | | | | | | | 2 | Kristýna Plíšková | 6 | 4 | 6 |
| | | | | | | | | | | | Carina Witthöft | 2 | 6 | 3 |
| | Carina Witthöft | 6 | 6 | | | | | | | | | | | | Carina Witthöft | 2 | 6 | 3 |
| Alt | Abigail Spears | 1 | 2 | | | | | | | | | | | |
| Alt | Abigail Spears | 1 | 2 | | | Carina Witthöft | 6 | 6 | | | | | | |
| | | | | | 12 | Varvara Lepchenko | 2 | 3 | | | | | | |
| | Risa Ozaki | 3 | 3 | | 12 | Varvara Lepchenko | 2 | 3 | | | | | | |
| 12 | Varvara Lepchenko | 6 | 6 | | | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Elise Mertens | 7 | 6 | | | | | | | | | |
| | Monica Puig | 5 | 4 | | | | | | | | | |
| | Monica Puig | 5 | 4 | | 3 | Elise Mertens | 6 | 6 | | | | |
| | | | | | | Aleksandra Krunić | 4 | 2 | | | | |
| | Aleksandra Krunić | 6 | 6 | | | Aleksandra Krunić | 4 | 2 | | | | |
| | Alla Kudryavtseva | 3 | 2 | | | | | | | | | |
| | Alla Kudryavtseva | 3 | 2 | | | | | | 3 | Elise Mertens | 6 | 6 |
| | | | | | | | | | 11 | Natalia Vikhlyantseva | 4 | 4 |
| | Ekaterina Alexandrova | 7$^7$ | 4 | 4 | | | | | | | | | 11 | Natalia Vikhlyantseva | 4 | 4 |
| | Shuko Aoyama | 6$^4$ | 6 | 6 | | | | | | | | |
| | Shuko Aoyama | 6$^4$ | 6 | 6 | | Shuko Aoyama | 5 | 4 | | | | |
| | | | | | 11 | Natalia Vikhlyantseva | 7 | 6 | | | | |
| | Kayla Day | 3 | 2 | | 11 | Natalia Vikhlyantseva | 7 | 6 | | | | |
| 11 | Natalia Vikhlyantseva | 6 | 6 | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Mona Barthel | 2 | 3 | | | | | | | |
| | Pauline Parmentier | 6 | 6 | | | | | | | |
| | Pauline Parmentier | 6 | 6 | Pauline Parmentier | 1 | 7$^7$ | 4 | | | |
| | | | | Magda Linette | 6 | 6$^4$ | 6 | | | |
| | Magda Linette | 6 | 6 | Magda Linette | 6 | 6$^4$ | 6 | | | |
| WC | Samantha Martinelli | 2 | 1 | | | | | | | |
| WC | Samantha Martinelli | 2 | 1 | | | | | Magda Linette | 6 | 6 |
| | | | | | | | | Kurumi Nara | 2 | 2 |
| WC | Julia Elbaba | 2 | 2 | | | | | | | | Kurumi Nara | 2 | 2 |
| | Kurumi Nara | 6 | 6 | | | | | | | |
| | Kurumi Nara | 6 | 6 | Kurumi Nara | 7$^8$ | 6 | | | | |
| | | | | Aliaksandra Sasnovich | 6$^6$ | 4 | | | | |
| | Aliaksandra Sasnovich | 6 | 6 | Aliaksandra Sasnovich | 6$^6$ | 4 | | | | |
| 7 | Shelby Rogers | 3 | 1 | | | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Johanna Larsson | 6 | 6 | | | | | | | | |
| | María José Martínez Sánchez | 3 | 3 | | | | | | | | |
| | María José Martínez Sánchez | 3 | 3 | 5 | Johanna Larsson | 3 | 7$^7$ | 4 | | | |
| | | | | | Ana Bogdan | 6 | 6$^3$ | 6 | | | |
| | Ana Bogdan | 6 | 6 | | Ana Bogdan | 6 | 6$^3$ | 6 | | | |
| | Gabriela Dabrowski | 4 | 4 | | | | | | | | |
| | Gabriela Dabrowski | 4 | 4 | | | | | | Ana Bogdan | 6 | 6 |
| | | | | | | | | | Kateryna Bondarenko | 2 | 2 |
| | Kateryna Bondarenko | 6 | 6 | | | | | | | | | Kateryna Bondarenko | 2 | 2 |
| | Maria Sakkari | 2 | 4 | | | | | | | | |
| | Maria Sakkari | 2 | 4 | | Kateryna Bondarenko | 6 | 6 | | | | |
| | | | | 9 | Lara Arruabarrena | 3 | 1 | | | | |
| | Lucie Hradecká | 3 | 6$^4$ | 9 | Lara Arruabarrena | 3 | 1 | | | | |
| 9 | Lara Arruabarrena | 6 | 7$^7$ | | | | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Irina-Camelia Begu | 6 | 6 | | | | | | | | | |
| | Viktorija Golubic | 1 | 4 | | | | | | | | | |
| | Viktorija Golubic | 1 | 4 | | 6 | Irina-Camelia Begu | 2 | 6$^3$ | | | | |
| | | | | | | Jana Čepelová | 6 | 7$^7$ | | | | |
| | Jana Čepelová | 6 | 7 | | | Jana Čepelová | 6 | 7$^7$ | | | | |
| | Sara Sorribes Tormo | 1 | 5 | | | | | | | | | |
| | Sara Sorribes Tormo | 1 | 5 | | | | | | | Jana Čepelová | 6 | 6 |
| | | | | | | | | | 8 | Christina McHale | 3 | 4 |
| | Misaki Doi | 6 | 6$^4$ | 6 | | | | | | | | | 8 | Christina McHale | 3 | 4 |
| WC | Sofia Kenin | 3 | 7$^7$ | 0 | | | | | | | | |
| WC | Sofia Kenin | 3 | 7$^7$ | 0 | | Misaki Doi | 4 | 6$^2$ | | | | |
| | | | | | 8 | Christina McHale | 6 | 7$^7$ | | | | |
| | Beatriz Haddad Maia | 2 | 2 | | 8 | Christina McHale | 6 | 7$^7$ | | | | |
| 8 | Christina McHale | 6 | 6 | | | | | | | | | |