# 2015 İstanbul Cup – Singles

Caroline Wozniacki was the defending champion, but she chose not to participate this year.
Lesia Tsurenko won the title, defeating Urszula Radwańska in the final 7–5, 6–1.

## Seeds

* Venus Williams (first round)
* Elina Svitolina (first round)
* Jelena Janković (first round)
* Alizé Cornet (second round)
* Camila Giorgi (second round)
* Daria Gavrilova (first round)
* Anastasia Pavlyuchenkova (first round)
* Tsvetana Pironkova (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 |
| Lesia Tsurenko | 6 | 6 | | | | |
| Kirsten Flipkens | 4 | 2 | | | | |
| Kirsten Flipkens | 4 | 2 | | Lesia Tsurenko | 7 | 6 |
| | | | | Urszula Radwańska | 5 | 1 |
| Urszula Radwańska | 6 | 4 | 6 | Urszula Radwańska | 5 | 1 |
| Magdaléna Rybáriková | 3 | 6 | 3 | | | |

### 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 |
| 1 | V Williams | 4 | 6$^4$ | | | | | | | | | | | | | |
| Q | K Bondarenko | 6 | 7$^7$ | | Q | K Bondarenko | 6 | 4 | 6 | | | | | | | |
| Q | O Savchuk | 3 | 5 | | | M Barthel | 3 | 6 | 2 | | | | | | | |
| | M Barthel | 6 | 7 | | | | | | | Q | K Bondarenko | 6$^{13}$ | 5 | | | |
| WC | Ç Büyükakçay | 6 | 3 | 2 | | | | | | | L Tsurenko | 7$^{15}$ | 7 | | | |
| | D Hantuchová | 4 | 6 | 6 | | D Hantuchová | 1 | 1 | | | | | | | | |
| | L Tsurenko | 7$^7$ | 3 | 6 | | L Tsurenko | 6 | 6 | | | | | | | | |
| 6 | D Gavrilova | 6$^2$ | 6 | 3 | | | | | | | | | | L Tsurenko | 6 | 6 |
| 4/WC | A Cornet | 6 | 7 | | | | | | | | | | | K Flipkens | 4 | 2 |
| | Y Wickmayer | 3 | 5 | | 4/WC | A Cornet | 6 | 1 | 2 | | | | | | | |
| Q | J Ostapenko | 2 | 0 | | | K Flipkens | 2 | 6 | 6 | | | | | | | |
| | K Flipkens | 6 | 6 | | | | | | | | K Flipkens | 6 | 6 | | | |
| | F Schiavone | 6 | 6 | | | | | | | | F Schiavone | 2 | 4 | | | |
| | S Karatantcheva | 0 | 1 | | | F Schiavone | 6 | 7$^8$ | | | | | | | | |
| | D Cibulková | 5 | 7 | 6$^4$ | 5 | C Giorgi | 4 | 6$^6$ | | | | | | | | |
| 5 | C Giorgi | 7 | 5 | 7$^7$ | | | | | | | | | | | | |

### 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 |
| 8 | T Pironkova | 0 | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | |
| Q | M Gasparyan | 6 | 6$^4$ | 6$^3$ | 8 | T Pironkova | 6 | 1 | 6 | | | | | | | | | |
| | K Nara | 6 | 7$^9$ | | | K Nara | 3 | 6 | 1 | | | | | | | | | |
| | V Diatchenko | 4 | 6$^7$ | | | | | | | 8 | T Pironkova | 2 | 6 | 6$^5$ | | | | |
| | Y Shvedova | 7 | 3 | 4 | | | | | | | U Radwańska | 6 | 3 | 7$^7$ | | | | |
| | B Jovanovski | 5 | 6 | 6 | | B Jovanovski | 3 | 2 | | | | | | | | | | |
| | U Radwańska | 6 | 3 | 6 | | U Radwańska | 6 | 6 | | | | | | | | | | |
| 3 | J Janković | 4 | 6 | 2 | | | | | | | | | | | U Radwańska | 6 | 4 | 6 |
| 7 | A Pavlyuchenkova | 2 | 1 | | | | | | | | | | | | M Rybáriková | 3 | 6 | 3 |
| | R Vinci | 6 | 6 | | | R Vinci | 7$^7$ | 6 | | | | | | | | | | |
| Q | A Panova | 6 | 2 | 6 | Q | A Panova | 6$^3$ | 3 | | | | | | | | | | |
| | E Kulichkova | 4 | 6 | 1 | | | | | | | R Vinci | 6 | 5 | 2 | | | | |
| Q | A Tatishvili | 7 | 5 | 0$^r$ | | | | | | | M Rybáriková | 0 | 7 | 6 | | | | |
| WC | İ Soylu | 5 | 7 | 2 | WC | İ Soylu | 0 | 0 | | | | | | | | | | |
| | M Rybáriková | 6 | 6 | | | M Rybáriková | 6 | 6 | | | | | | | | | | |
| 2 | E Svitolina | 1 | 3 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Elizaveta Kulichkova (moved to main draw)
* Kristýna Plíšková (first round)
* Margarita Gasparyan (qualified)
* Kateryna Bondarenko (qualified)
* Zhu Lin (qualifying competition)
* Jeļena Ostapenko (qualified)
* Anna Tatishvili (qualified)
* Alexandra Panova (qualified)
* Misa Eguchi (first round)
* Andrea Hlaváčková (qualifying competition)
* Anett Kontaveit (first round)
* Yang Zhaoxuan (first round)
* Yuliya Beygelzimer (first round)

### Qualifiers

* Alexandra Panova
* Olga Savchuk
* Margarita Gasparyan
* Kateryna Bondarenko
* Anna Tatishvili
* Jeļena Ostapenko

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 13 | Yuliya Beygelzimer | 1 | 6 | 4 | | | | |
| WC | Berfu Cengiz | 6 | 3 | 6 | | | | |
| WC | Berfu Cengiz | 6 | 3 | 6 | WC | Berfu Cengiz | 1 | 3 |
| | | | | | 8 | Alexandra Panova | 6 | 6 |
| | Alberta Brianti | 3 | 7$^8$ | 2 | 8 | Alexandra Panova | 6 | 6 |
| 8 | Alexandra Panova | 6 | 6$^6$ | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Kristýna Plíšková | 3 | 6 | 4 | | | | | |
| WC | Sara Tomic | 6 | 4 | 6 | | | | | |
| WC | Sara Tomic | 6 | 4 | 6 | WC | Sara Tomic | 6 | 3 | 3 |
| | | | | | Alt | Olga Savchuk | 3 | 6 | 6 |
| Alt | Olga Savchuk | 6 | 6 | | Alt | Olga Savchuk | 3 | 6 | 6 |
| 12 | Yang Zhaoxuan | 3 | 3 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Margarita Gasparyan | 6 | 6 | | | | | |
| | Tereza Mrdeža | 1 | 3 | | | | | |
| | Tereza Mrdeža | 1 | 3 | | 3 | Margarita Gasparyan | 7 | 6 |
| | | | | | 10 | Andrea Hlaváčková | 5 | 1 |
| WC | Ayla Aksu | 7$^7$ | 4 | 6$^1$ | 10 | Andrea Hlaváčková | 5 | 1 |
| 10 | Andrea Hlaváčková | 6$^1$ | 6 | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Kateryna Bondarenko | 6 | 6 | | | | | | |
| | Hiroko Kuwata | 3 | 2 | | | | | | |
| | Hiroko Kuwata | 3 | 2 | | 4 | Kateryna Bondarenko | 3 | 6 | 6 |
| | | | | | | Nastassja Burnett | 6 | 3 | 0 |
| | Nastassja Burnett | 3 | 6 | 6 | | Nastassja Burnett | 6 | 3 | 0 |
| 9 | Misa Eguchi | 6 | 1 | 0 | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Zhu Lin | 6 | 6 | | | | |
| | Akgul Amanmuradova | 1 | 0 | | | | |
| | Akgul Amanmuradova | 1 | 0 | 5 | Zhu Lin | 2 | 2 |
| | | | | 7 | Anna Tatishvili | 6 | 6 |
| | Grace Min | 3 | 2 | 7 | Anna Tatishvili | 6 | 6 |
| 7 | Anna Tatishvili | 6 | 6 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Jeļena Ostapenko | 2 | | | | | | |
| | Nadiia Kichenok | 0$^r$ | | | | | | |
| | Nadiia Kichenok | 0$^r$ | | | 6 | Jeļena Ostapenko | 6 | 6 |
| | | | | | WC | Melis Sezer | 2 | 2 |
| WC | Melis Sezer | 4 | 6 | 6 | WC | Melis Sezer | 2 | 2 |
| 11 | Anett Kontaveit | 6 | 1 | 3 | | | | |