# 2019 St. Petersburg Ladies' Trophy – Singles

Petra Kvitová was the defending champion, but lost to Donna Vekić in the quarterfinals.
Kiki Bertens won the title, defeating Vekić in the final, 7–6$^{(7–2)}$, 6–4.

## Seeds

The top four seeds received a bye into the second round.
* Petra Kvitová (quarterfinals)
* Kiki Bertens (champion)
* Daria Kasatkina (quarterfinals)
* Aryna Sabalenka (semifinals)
* Julia Görges (second round)
* Jeļena Ostapenko (second round)
* Dominika Cibulková (withdrew)
* Donna Vekić (final)

## 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 |
| 8 | Donna Vekić | 6 | 6 | | | | |
| WC | Vera Zvonareva | 2 | 2 | | | | |
| WC | Vera Zvonareva | 2 | 2 | 8 | Donna Vekić | 6$^2$ | 4 |
| | | | | 2 | Kiki Bertens | 7$^7$ | 6 |
| 4 | Aryna Sabalenka | 6$^5$ | 2 | 2 | Kiki Bertens | 7$^7$ | 6 |
| 2 | Kiki Bertens | 7$^7$ | 6 | | | | |

### Top 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 |
| | | | | | 1 | P Kvitová | 6 | 7$^7$ | | | | | | | | | |
| WC | V Azarenka | 6 | 6 | | WC | V Azarenka | 2 | 6$^3$ | | | | | | | | | |
| Q | M Gasparyan | 4 | 1 | | | | | | | 1 | P Kvitová | 4 | 1 | | | | |
| WC | O Danilović | 2 | 1 | | | | | | | 8 | D Vekić | 6 | 6 | | | | |
| LL | V Kudermetova | 6 | 6 | | LL | V Kudermetova | 4 | 3 | | | | | | | | | |
| PR | T Bacsinszky | 6 | 1 | 3 | 8 | D Vekić | 6 | 6 | | | | | | | | | |
| 8 | D Vekić | 4 | 6 | 6 | | | | | | | | | | 8 | D Vekić | 6 | 6 |
| | | | | | | | | | | | | | | WC | V Zvonareva | 2 | 2 |
| | | | | | 3 | D Kasatkina | w/o | | | | | | | | | | |
| | D Gavrilova | 0 | 4 | | | M Sharapova | | | | | | | | | | | |
| | M Sharapova | 6 | 6 | | | | | | | 3 | D Kasatkina | 3 | 6$^3$ | | | | |
| WC | E Makarova | 3 | 4 | | | | | | | WC | V Zvonareva | 6 | 7$^7$ | | | | |
| WC | V Zvonareva | 6 | 6 | | WC | V Zvonareva | 4 | 6 | 6 | | | | | | | | |
| | M Sakkari | 2 | 5 | | 5 | J Görges | 6 | 4 | 4 | | | | | | | | |
| 5 | J Görges | 6 | 7 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| LL | K Boulter | 5 | 6 | 1 | | | | | | | | | | | | | |
| Q | E Alexandrova | 7 | 4 | 6 | Q | E Alexandrova | 7 | 6 | | | | | | | | | |
| Q | T Martincová | 4 | 6 | 6 | Q | T Martincová | 5 | 2 | | | | | | | | | |
| | Y Putintseva | 6 | 2 | 2 | | | | | Q | E Alexandrova | 3 | 4 | | | | | |
| | A Van Uytvanck | 6 | 6 | | | | | | 4 | A Sabalenka | 6 | 6 | | | | | |
| | K Flipkens | 2 | 4 | | | A Van Uytvanck | 1 | 4 | | | | | | | | | |
| | | | | | 4 | A Sabalenka | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | A Sabalenka | 6$^5$ | 2 |
| 6 | J Ostapenko | 6 | 0 | 6 | | | | | | | | | | 2 | K Bertens | 7$^7$ | 6 |
| | K Mladenovic | 1 | 6 | 0 | 6 | J Ostapenko | 4 | 4 | | | | | | | | | |
| | A Cornet | 5 | 6$^4$ | | | A Pavlyuchenkova | 6 | 6 | | | | | | | | | |
| | A Pavlyuchenkova | 7 | 7$^7$ | | | | | | | A Pavlyuchenkova | 2 | 6 | 0 | | | | |
| Q | Y Bonaventure | 6 | 7$^7$ | | | | | | 2 | K Bertens | 6 | 3 | 6 | | | | |
| | K Siniaková | 4 | 6$^3$ | | Q | Y Bonaventure | 4 | 2 | | | | | | | | | |
| | | | | | 2 | K Bertens | 6 | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Viktória Kužmová (second round)
* Belinda Bencic (second round)
* Vera Lapko (first round)
* Andrea Petkovic (second round)
* Bernarda Pera (first round)
* Ekaterina Alexandrova (qualified)
* Lara Arruabarrena (first round)
* Margarita Gasparyan (qualified)

### Qualifiers

* Ysaline Bonaventure
* Margarita Gasparyan
* Ekaterina Alexandrova
* Tereza Martincová

### Lucky loser

* Veronika Kudermetova
* Katie Boulter

### Qualifying 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 | Viktória Kužmová | 6 | 6 | | | | | | | | | | |
| | Dejana Radanović | 1 | 4 | | | | | | | | | | |
| | Dejana Radanović | 1 | 4 | | 1 | Viktória Kužmová | 4 | 3 | | | | | |
| | | | | | | Ysaline Bonaventure | 6 | 6 | | | | | |
| WC | Tena Lukas | 2 | 4 | | | Ysaline Bonaventure | 6 | 6 | | | | | |
| | Ysaline Bonaventure | 6 | 6 | | | | | | | | | | |
| | Ysaline Bonaventure | 6 | 6 | | | | | | | Ysaline Bonaventure | 6$^3$ | 6 | 6 |
| | | | | | | | | | | Katie Boulter | 7$^7$ | 4 | 2 |
| | Katarina Zavatska | 6 | 3 | 6 | | | | | | | | | | Katie Boulter | 7$^7$ | 4 | 2 |
| | Tereza Smitková | 2 | 6 | 3 | | | | | | | | | |
| | Tereza Smitková | 2 | 6 | 3 | | Katarina Zavatska | 7$^7$ | 1 | 5 | | | | |
| | | | | | | Katie Boulter | 6$^1$ | 6 | 7 | | | | |
| | Katie Boulter | 7$^7$ | 3 | 6 | | Katie Boulter | 6$^1$ | 6 | 7 | | | | |
| 5 | Bernarda Pera | 6$^5$ | 6 | 1 | | | | | | | | | |

#### Second 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 |
| 2 | Belinda Bencic | 6 | 6 | | | | | | | | | |
| | Anhelina Kalinina | 2 | 1 | | | | | | | | | |
| | Anhelina Kalinina | 2 | 1 | | 2 | Belinda Bencic | 4 | 3 | | | | |
| | | | | | | Veronika Kudermetova | 6 | 6 | | | | |
| | Veronika Kudermetova | 6 | 6 | | | Veronika Kudermetova | 6 | 6 | | | | |
| | Martina Trevisan | 2 | 3 | | | | | | | | | |
| | Martina Trevisan | 2 | 3 | | | | | | | Veronika Kudermetova | 1 | 0 |
| | | | | | | | | | 8 | Margarita Gasparyan | 6 | 6 |
| | Jasmine Paolini | 7$^7$ | 0 | 1 | | | | | | | | | 8 | Margarita Gasparyan | 6 | 6 |
| | Liudmila Samsonova | 6$^4$ | 6 | 6 | | | | | | | | |
| | Liudmila Samsonova | 6$^4$ | 6 | 6 | | Liudmila Samsonova | 3 | 3 | | | | |
| | | | | | 8 | Margarita Gasparyan | 6 | 6 | | | | |
| | Misaki Doi | 4 | 2 | | 8 | Margarita Gasparyan | 6 | 6 | | | | |
| 8 | Margarita Gasparyan | 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 | Vera Lapko | 2 | 6 | 3 | | | | | | | | |
| | Anastasia Zarycká | 6 | 2 | 6 | | | | | | | | |
| | Anastasia Zarycká | 6 | 2 | 6 | | Anastasia Zarycká | 4 | 3 | | | | |
| | | | | | | Anna Kalinskaya | 6 | 6 | | | | |
| | Anna Kalinskaya | 6 | 7 | | | Anna Kalinskaya | 6 | 6 | | | | |
| WC | Ana Konjuh | 4 | 5 | | | | | | | | | |
| WC | Ana Konjuh | 4 | 5 | | | | | | | Anna Kalinskaya | 6$^4$ | 0 |
| | | | | | | | | | 6 | Ekaterina Alexandrova | 7$^7$ | 6 |
| | Valentini Grammatikopoulou | 1 | 1 | | | | | | | | | | 6 | Ekaterina Alexandrova | 7$^7$ | 6 |
| | Jana Fett | 6 | 6 | | | | | | | | | |
| | Jana Fett | 6 | 6 | | | Jana Fett | 6$^7$ | 0 | | | | |
| | | | | | 6 | Ekaterina Alexandrova | 7$^9$ | 6 | | | | |
| | Valentina Ivakhnenko | 1 | 0$^r$ | | 6 | Ekaterina Alexandrova | 7$^9$ | 6 | | | | |
| 6 | Ekaterina Alexandrova | 6 | 3 | | | | | | | | | |

#### Fourth 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 |
| 4 | Andrea Petkovic | 6 | 2 | 6 | | | | | | | |
| | Vitalia Diatchenko | 2 | 6 | 3 | | | | | | | |
| | Vitalia Diatchenko | 2 | 6 | 3 | 4 | Andrea Petkovic | 4 | 4 | | | |
| | | | | | | Natalia Vikhlyantseva | 6 | 6 | | | |
| | Natalia Vikhlyantseva | 6 | 6 | | | Natalia Vikhlyantseva | 6 | 6 | | | |
| WC | Daria Mishina | 1 | 2 | | | | | | | | |
| WC | Daria Mishina | 1 | 2 | | | | | | Natalia Vikhlyantseva | 4 | 1 |
| | | | | | | | | | Tereza Martincová | 6 | 6 |
| WC | Oksana Selekhmeteva | 6 | 4 | 5 | | | | | | | | Tereza Martincová | 6 | 6 |
| | Magdalena Fręch | 4 | 6 | 7 | | | | | | | |
| | Magdalena Fręch | 4 | 6 | 7 | | Magdalena Fręch | 3 | 2 | | | |
| | | | | | | Tereza Martincová | 6 | 6 | | | |
| | Tereza Martincová | 3 | 6 | 6 | | Tereza Martincová | 6 | 6 | | | |
| 7 | Lara Arruabarrena | 6 | 1 | 4 | | | | | | | |