# 2019 İstanbul Cup – Singles

Pauline Parmentier was the defending champion, but lost in the second round to Elena Rybakina.
Petra Martić won her first WTA Tour title, defeating Markéta Vondroušová in the final, 1–6, 6–4, 6–1.

## Seeds

* Carla Suárez Navarro (first round)
* Mihaela Buzărnescu (second round)
* Camila Giorgi (withdrew)
* Dayana Yastremska (first round)
* Ajla Tomljanović (first round)
* Petra Martić (champion)
* Kateřina Siniaková (first round)
* Maria Sakkari (first round)
* Viktória Kužmová (first round)

## 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 |
| | Markéta Vondroušová | 6 | 6 | | | | | |
| | Barbora Strýcová | 2 | 1 | | | | | |
| | Barbora Strýcová | 2 | 1 | | Markéta Vondroušová | 6 | 4 | 1 |
| | | | | 6 | Petra Martić | 1 | 6 | 6 |
| 6 | Petra Martić | 6 | 0 | 6 | Petra Martić | 1 | 6 | 6 |
| | Margarita Gasparyan | 1 | 0$^r$ | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | C Suárez Navarro | 4 | 5 | | | | | | | | | | | | | | |
| | L Arruabarrena | 6 | 7 | | | L Arruabarrena | 6 | 6 | | | | | | | | | |
| | R Peterson | 6 | 2 | 6 | | R Peterson | 3 | 2 | | | | | | | | | |
| WC | P Özgen | 1 | 6 | 0 | | | | | | | L Arruabarrena | 1 | 2 | | | | |
| WC | Ç Büyükakçay | 3 | 6$^4$ | | | | | | | | M Vondroušová | 6 | 6 | | | | |
| WC | S Kuznetsova | 6 | 7$^7$ | | WC | S Kuznetsova | 4 | 3 | | | | | | | | | |
| | M Vondroušová | 6 | 6 | | | M Vondroušová | 6 | 6 | | | | | | | | | |
| 5 | A Tomljanović | 3 | 3 | | | | | | | | | | | | M Vondroušová | 6 | 6 |
| 9 | V Kužmová | 7 | 5 | 4 | | | | | | | | | | | B Strýcová | 2 | 1 |
| | B Strýcová | 5 | 7 | 6 | | B Strýcová | 6 | 1 | 6 | | | | | | | | |
| | S Cîrstea | 2 | 6 | 6 | | S Cîrstea | 2 | 6 | 3 | | | | | | | | |
| Q | I Bara | 6 | 0 | 0 | | | | | | | B Strýcová | 0 | 7$^8$ | 6 | | | |
| | P Parmentier | 6 | 6 | | | | | | | Q | E Rybakina | 6 | 6$^6$ | 0 | | | |
| | E Rodina | 1 | 1 | | | P Parmentier | 0 | 4 | | | | | | | | | |
| Q | E Rybakina | 3 | 6 | 6 | Q | E Rybakina | 6 | 6 | | | | | | | | | |
| 7 | K Siniaková | 6 | 2 | 4 | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | P Martić | 3 | 6 | 6 | | | | | | | | | | | | | | |
| | T Zidanšek | 6 | 1 | 3 | 6 | P Martić | 4 | 7 | 6 | | | | | | | | | |
| | K Flipkens | 1 | 0$^r$ | | Q | A Bogdan | 6 | 5 | 3 | | | | | | | | | |
| Q | A Bogdan | 6 | 1 | | | | | | | 6 | P Martić | 7$^7$ | 4 | 7$^7$ | | | | |
| Q | K Kozlova | 6 | 1 | | | | | | | | K Mladenovic | 6$^4$ | 6 | 6$^2$ | | | | |
| | A Potapova | 3 | 0$^r$ | | Q | K Kozlova | 1 | 2 | | | | | | | | | | |
| | K Mladenovic | 6 | 6 | | | K Mladenovic | 6 | 6 | | | | | | | | | | |
| 4 | D Yastremska | 3 | 4 | | | | | | | | | | | | 6 | P Martić | 6 | 0 |
| 8 | M Sakkari | 3 | 4 | | | | | | | | | | | | | M Gasparyan | 1 | 0$^r$ |
| Q | V Kudermetova | 6 | 6 | | Q | V Kudermetova | 6 | 7$^7$ | | | | | | | | | | |
| LL | T Babos | 6 | 6 | | LL | T Babos | 0 | 6$^4$ | | | | | | | | | | |
| Q | I Jorović | 4 | 4 | | | | | | | Q | V Kudermetova | 5 | 4 | | | | | |
| | J Larsson | 6$^6$ | 6 | 3 | | | | | | | M Gasparyan | 7 | 6 | | | | | |
| | M Gasparyan | 7$^8$ | 4 | 6 | | M Gasparyan | 1 | 6 | 7 | | | | | | | | | |
| LL | J Glushko | 4 | 4 | | 2 | M Buzărnescu | 6 | 4 | 5 | | | | | | | | | |
| 2 | M Buzărnescu | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Veronika Kudermetova (qualified)
* Kateryna Kozlova (qualified)
* Ivana Jorović (qualified)
* Julia Glushko (qualifying competition, lucky loser)
* Tímea Babos (qualifying competition, retired, lucky loser)
* Fanny Stollár (first round)
* Ana Bogdan (qualified)
* Viktoriya Tomova (first round)
* Danka Kovinić (first round, retired)
* Elena Rybakina (qualified)
* Alexandra Dulgheru (qualifying competition)
* Arina Rodionova (first round)

### Qualifiers

* Veronika Kudermetova
* Kateryna Kozlova
* Ivana Jorović
* Irina Bara
* Elena Rybakina
* Ana Bogdan

### Lucky losers

* Julia Glushko
* Tímea Babos

### Draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Veronika Kudermetova | 7$^9$ | 6 | | | | |
| | Giuliana Olmos | 6$^7$ | 1 | | | | |
| | Giuliana Olmos | 6$^7$ | 1 | 1 | Veronika Kudermetova | 6 | 6 |
| | | | | | Martina Di Giuseppe | 4 | 1 |
| | Martina Di Giuseppe | 6 | 6 | | Martina Di Giuseppe | 4 | 1 |
| 8 | Viktoriya Tomova | 3 | 2 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Kateryna Kozlova | 6 | 6 | | | | | |
| WC | Berfu Cengiz | 0 | 2 | | | | | |
| WC | Berfu Cengiz | 0 | 2 | | 2 | Kateryna Kozlova | 6 | 6 |
| | | | | | 11 | Alexandra Dulgheru | 2 | 4 |
| | Tereza Mrdeža | 6 | 2 | 3 | 11 | Alexandra Dulgheru | 2 | 4 |
| 11 | Alexandra Dulgheru | 3 | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Ivana Jorović | 6 | 3 | 6 | | | | |
| WC | İpek Soylu | 1 | 6 | 2 | | | | |
| WC | İpek Soylu | 1 | 6 | 2 | 3 | Ivana Jorović | 6 | 6 |
| | | | | | | Yana Sizikova | 1 | 2 |
| | Yana Sizikova | 6 | 1 | | | Yana Sizikova | 1 | 2 |
| 9 | Danka Kovinić | 3 | 2$^r$ | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Julia Glushko | 6 | 6 | | | | | |
| WC | Zeynep Sönmez | 3 | 2 | | | | | |
| WC | Zeynep Sönmez | 3 | 2 | 4 | Julia Glushko | 6 | 4 | 2 |
| | | | | | Irina Bara | 2 | 6 | 6 |
| | Irina Bara | 6 | 6 | | Irina Bara | 2 | 6 | 6 |
| 12 | Arina Rodionova | 1 | 1 | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Tímea Babos | 7 | 6$^4$ | 6 | | | | |
| | Barbara Haas | 5 | 7$^7$ | 1 | | | | |
| | Barbara Haas | 5 | 7$^7$ | 1 | 5 | Tímea Babos | 4 | 0$^r$ |
| | | | | | 10 | Elena Rybakina | 6 | 3 |
| | Valentina Ivakhnenko | 1 | 0$^r$ | | 10 | Elena Rybakina | 6 | 3 |
| 10 | Elena Rybakina | 6 | 1 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Fanny Stollár | 3 | 1 | | | | | |
| WC | İpek Öz | 6 | 6 | | | | | |
| WC | İpek Öz | 6 | 6 | | WC | İpek Öz | 0 | 2 |
| | | | | | 7 | Ana Bogdan | 6 | 6 |
| | Anna Bondár | 6 | 3 | 3 | 7 | Ana Bogdan | 6 | 6 |
| 7 | Ana Bogdan | 2 | 6 | 6 | | | | |