# 2020 İstanbul Cup – Singles

Petra Martić was the defending champion, but she chose not to participate as she was still competing at the 2020 US Open.
Patricia Maria Țig won her maiden WTA tour-level singles title, defeating Eugenie Bouchard in the final, 2–6, 6–1, 7–6$^{(7–4)}$.

## Seeds

* Svetlana Kuznetsova (second round)
* Rebecca Peterson (quarterfinals)
* Polona Hercog (quarterfinals)
* Caroline Garcia (second round)
* Heather Watson (first round, retired)
* Alison Van Uytvanck (second round)
* Zarina Diyas (first round)
* Misaki Doi (second 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 |
| Q | Eugenie Bouchard | 6 | 6 | | | | | |
| | Paula Badosa | 3 | 2 | | | | | |
| | Paula Badosa | 3 | 2 | Q | Eugenie Bouchard | 6 | 1 | 6$^4$ |
| | | | | | Patricia Maria Țig | 2 | 6 | 7$^7$ |
| Q | Tereza Martincová | 3 | 3 | | Patricia Maria Țig | 2 | 6 | 7$^7$ |
| | Patricia Maria Țig | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | S Kuznetsova | 6$^3$ | 7$^7$ | 2 | | | | | | | | | |
| | V Tomova | 2 | 4 | | Q | E Bouchard | 7$^7$ | 6$^5$ | 6 | | | | | | | | | |
| Q | E Bouchard | 6 | 6 | | | | | | | Q | E Bouchard | 3 | 6 | 7 | | | | |
| PR | K Bondarenko | 5 | 2 | | | | | | | | D Kovinić | 6 | 4 | 5 | | | | |
| | D Kovinić | 7 | 6 | | | D Kovinić | 6 | 6 | | | | | | | | | | |
| | V Kužmová | 3 | 4 | | 6 | A Van Uytvanck | 3 | 4 | | | | | | | | | | |
| 6 | A Van Uytvanck | 6 | 6 | | | | | | | | | | | | Q | E Bouchard | 6 | 6 |
| 3 | P Hercog | 6 | 6 | | | | | | | | | | | | | P Badosa | 3 | 2 |
| WC | B Cengiz | 2 | 3 | | 3 | P Hercog | 7 | 6 | | | | | | | | | | |
| | J Paolini | 6 | 4 | 6 | | J Paolini | 5 | 4 | | | | | | | | | | |
| | S Vögele | 1 | 6 | 3 | | | | | | 3 | P Hercog | 6 | 3 | 4 | | | | |
| | K Zavatska | 1 | 2 | | | | | | | | P Badosa | 4 | 6 | 6 | | | | |
| | P Badosa | 6 | 6 | | | P Badosa | 6 | 6 | | | | | | | | | | |
| | S Sorribes Tormo | 3 | | | | S Sorribes Tormo | 1 | 4 | | | | | | | | | | |
| 5 | H Watson | 2$^r$ | | | | | | | | | | | | | | | | |

### 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 | Z Diyas | 6 | 5 | 1 | | | | | | | | | | | | | |
| | A Sasnovich | 3 | 7 | 6 | | A Sasnovich | 6$^5$ | 6 | 6 | | | | | | | | |
| PR | AK Schmiedlová | 7 | 1 | 6 | PR | AK Schmiedlová | 7$^7$ | 4 | 3 | | | | | | | | |
| | K Juvan | 5 | 6 | 4 | | | | | | | A Sasnovich | 2 | 3 | | | | |
| | G Minnen | 6$^5$ | 3 | | | | | | | Q | T Martincová | 6 | 6 | | | | |
| Q | T Martincová | 7$^7$ | 6 | | Q | T Martincová | 6 | 6 | | | | | | | | | |
| WC | Ç Büyükakçay | 4 | 6 | 5 | 4 | C Garcia | 1 | 4 | | | | | | | | | |
| 4 | C Garcia | 6 | 0 | 7 | | | | | | | | | | Q | T Martincová | 3 | 3 |
| 8 | M Doi | 6$^4$ | 7 | 6 | | | | | | | | | | | PM Țig | 6 | 6 |
| Q | E Perez | 7$^7$ | 5 | 1 | 8 | M Doi | 2 | 0 | | | | | | | | | |
| Q | O Danilović | 3 | 5 | | | PM Țig | 6 | 6 | | | | | | | | | |
| | PM Țig | 6 | 7 | | | | | | | | PM Țig | 6 | 6 | | | | |
| WC | P Özgen | 2 | 0 | | | | | | | 2 | R Peterson | 3 | 1 | | | | |
| | M Gasparyan | 6 | 6 | | | M Gasparyan | 2$^r$ | | | | | | | | | | |
| | | | | | 2 | R Peterson | 3 | | | | | | | | | | |

## Qualifying
### Seeds

* Stefanie Vögele (moved to main draw)
* Margarita Gasparyan (moved to main draw)
* Viktoriya Tomova (moved to main draw)
* Tereza Martincová (qualified)
* Marta Kostyuk (withdrew)
* Elisabetta Cocciaretto (qualifying competition)
* Harriet Dart (qualifying competition)
* Leonie Küng (qualifying competition)

### Qualifiers

* Eugenie Bouchard
* Ellen Perez
* Olga Danilović
* Tereza Martincová

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Ivana Jorović | 2 | 6$^9$ | | | | | |
| WC | Eugenie Bouchard | 6 | 7$^{11}$ | | | | | |
| WC | Eugenie Bouchard | 6 | 7$^{11}$ | | WC | Eugenie Bouchard | 6 | 6 |
| | | | | | 8 | Leonie Küng | 4 | 4 |
| | Giulia Gatto-Monticone | 7$^7$ | 3 | 3 | 8 | Leonie Küng | 4 | 4 |
| 8 | Leonie Küng | 6$^3$ | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Ellen Perez | 7$^7$ | 7$^9$ | | | | | | |
| | Arina Rodionova | 6$^4$ | 6$^7$ | | | | | | |
| | Arina Rodionova | 6$^4$ | 6$^7$ | | Alt | Ellen Perez | 2 | 6 | 6 |
| | | | | | 7 | Harriet Dart | 6 | 1 | 3 |
| | Başak Eraydın | 3 | 6 | 0 | 7 | Harriet Dart | 6 | 1 | 3 |
| 7 | Harriet Dart | 6 | 2 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Dejana Radanović | 6 | 6 | | | | |
| | Indy de Vroome | 4 | 1 | | | | |
| | Indy de Vroome | 4 | 1 | Alt | Dejana Radanović | 2 | 0 |
| | | | | | Olga Danilović | 6 | 6 |
| | Olga Danilović | 6 | 6 | | Olga Danilović | 6 | 6 |
| Alt | Laura Ioana Paar | 1 | 1 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Tereza Martincová | 4 | | | | | | | |
| WC | Zeynep Sönmez | 1$^r$ | | | | | | | |
| WC | Zeynep Sönmez | 1$^r$ | | | 4 | Tereza Martincová | 5 | 7 | 6 |
| | | | | | 6 | Elisabetta Cocciaretto | 7 | 5 | 3 |
| | Bibiane Schoofs | 1 | 7$^7$ | 5 | 6 | Elisabetta Cocciaretto | 7 | 5 | 3 |
| 6 | Elisabetta Cocciaretto | 6 | 6$^3$ | 7 | | | | | |