# 2021 Serbia Open – Women's singles

This was the first edition of the tournament.
Paula Badosa won her first WTA singles title without dropping a set throughout the entire tournament, after Ana Konjuh retired from the final with the scoreline at 6–2, 2–0.
This was Konjuh’s first tour-level final since 2017 ASB Classic tournament following her comeback from injury.

## Seeds

* Anastasia Pavlyuchenkova (withdrew)
* Yulia Putintseva (second round)
* Zhang Shuai (first round)
* Paula Badosa (champion)
* Nadia Podoroska (quarterfinals)
* Kristina Mladenovic (first round)
* Rebecca Peterson (quarterfinals)
* Danka Kovinić (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 |
| LL | Viktoriya Tomova | 1 | 2 | | | | |
| 4 | Paula Badosa | 6 | 6 | | | | |
| 4 | Paula Badosa | 6 | 6 | 4 | Paula Badosa | 6 | 2 |
| | | | | Q | Ana Konjuh | 2 | 0$^r$ |
| Q | Camila Osorio | 6$^6$ | 6$^4$ | Q | Ana Konjuh | 2 | 0$^r$ |
| Q | Ana Konjuh | 7$^8$ | 7$^7$ | | | | |

### 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 |
| LL | V Tomova | 6 | 6 | | | | | | | | | | | | | | | |
| WC | L Radivojević | 2 | 3 | | LL | V Tomova | 6 | 4 | 6 | | | | | | | | | |
| | LA Fernandez | 7 | 6 | | | LA Fernandez | 3 | 6 | 2 | | | | | | | | | |
| | P Hercog | 5 | 1 | | | | | | | LL | V Tomova | 6 | 2 | 7 | | | | |
| Q | RL Jani | 6 | 0 | 7 | | | | | | Q | RL Jani | 1 | 6 | 5 | | | | |
| | T Martincová | 2 | 6 | 5 | Q | RL Jani | 4 | 6 | 6 | | | | | | | | | |
| | A Kalinskaya | 6 | 7$^8$ | | | A Kalinskaya | 6 | 1 | 3 | | | | | | | | | |
| 6 | K Mladenovic | 0 | 6$^6$ | | | | | | | | | | | | LL | V Tomova | 1 | 2 |
| 4 | P Badosa | 6 | 6 | | | | | | | | | | | | 4 | P Badosa | 6 | 6 |
| PR | A Petkovic | 2 | 3 | | 4 | P Badosa | 6 | 6 | | | | | | | | | | |
| | PM Țig | 6 | 5 | 2 | PR | M Buzărnescu | 0 | 4 | | | | | | | | | | |
| PR | M Buzărnescu | 4 | 7 | 6 | | | | | | 4 | P Badosa | 6 | 6 | | | | | |
| WC | I Jorović | 4 | 3 | | | | | | | 7 | R Peterson | 2 | 4 | | | | | |
| | A Tomljanović | 6 | 6 | | | A Tomljanović | 6 | 2 | 1$^r$ | | | | | | | | | |
| | N Stojanović | 7 | 1 | 0 | 7 | R Peterson | 4 | 6 | 2 | | | | | | | | | |
| 7 | R Peterson | 5 | 6 | 6 | | | | | | | | | | | | | | |

### 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 |
| 8 | D Kovinić | 6 | 4 | 1 | | | | | | | | | | | | | |
| Q | C Bucșa | 3 | 6 | 6 | Q | C Bucșa | 4 | 7 | 0 | | | | | | | | |
| | A Sasnovich | 6$^6$ | 6 | 6 | | A Sasnovich | 6 | 5 | 6 | | | | | | | | |
| Q | Xiy Wang | 7$^8$ | 0 | 2 | | | | | | | A Sasnovich | 4 | 2 | | | | |
| WC | O Danilović | 2 | 4 | | | | | | | Q | C Osorio | 6 | 6 | | | | |
| Q | K Rakhimova | 6 | 6 | | Q | K Rakhimova | 6 | 3 | 4 | | | | | | | | |
| Q | C Osorio | 6 | 1 | 7$^7$ | Q | C Osorio | 4 | 6 | 6 | | | | | | | | |
| 3 | S Zhang | 2 | 6 | 6$^4$ | | | | | | | | | | Q | C Osorio | 6$^6$ | 6$^4$ |
| 5 | N Podoroska | 6 | 4 | 6 | | | | | | | | | | Q | A Konjuh | 7$^8$ | 7$^7$ |
| | T Babos | 2 | 6 | 3 | 5 | N Podoroska | 6 | 6 | | | | | | | | | |
| | Kr Plíšková | 3 | 5 | | | O Dodin | 2 | 3 | | | | | | | | | |
| | O Dodin | 6 | 7 | | | | | | | 5 | N Podoroska | 4 | 3 | | | | |
| | A Van Uytvanck | 2 | 6 | 5 | | | | | | Q | A Konjuh | 6 | 6 | | | | |
| Q | A Konjuh | 6 | 1 | 7 | Q | A Konjuh | 6 | 6 | | | | | | | | | |
| | K Juvan | 6 | 2 | 1 | 2 | Y Putintseva | 3 | 4 | | | | | | | | | |
| 2 | Y Putintseva | 4 | 6 | 6 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Camila Osorio (qualified)
* Viktoriya Tomova (qualifying competition, lucky loser)
* Wang Xiyu (qualified)
* Kamilla Rakhimova (qualified)
* Jaqueline Cristian (qualifying competition)
* Nuria Párrizas Díaz (first round)
* Cristina Bucșa (qualified)
* Anastasia Gasanova (qualifying competition)
* You Xiaodi (qualifying competition)
* Ana Konjuh (qualified)
* Daniela Seguel (qualifying competition)
* Aleksandra Krunić (first round)

### Qualifiers

* Camila Osorio
* Ana Konjuh
* Wang Xiyu
* Kamilla Rakhimova
* Réka Luca Jani
* Cristina Bucșa

### Lucky loser

* Viktoriya Tomova

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Camila Osorio | 6 | 6$^7$ | 6 | | | | |
| | Dalma Gálfi | 3 | 7$^9$ | 4 | | | | |
| | Dalma Gálfi | 3 | 7$^9$ | 4 | 1 | Camila Osorio | 6 | 6 |
| | | | | | 9 | You Xiaodi | 4 | 3 |
| WC | Draginja Vuković | 0 | 1 | | 9 | You Xiaodi | 4 | 3 |
| 9 | You Xiaodi | 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 | Viktoriya Tomova | 7$^{10}$ | 6 | | | | | | |
| | Pemra Özgen | 6$^8$ | 0 | | | | | | |
| | Pemra Özgen | 6$^8$ | 0 | | 2 | Viktoriya Tomova | 7 | 2 | 2 |
| | | | | | 10 | Ana Konjuh | 5 | 6 | 6 |
| | Jule Niemeier | 7$^9$ | 4 | 3 | 10 | Ana Konjuh | 5 | 6 | 6 |
| 10 | Ana Konjuh | 6$^7$ | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Wang Xiyu | 6 | 6 | | | | |
| WC | Linda Nosková | 1 | 1 | | | | |
| WC | Linda Nosková | 1 | 1 | 3 | Wang Xiyu | 6 | 6 |
| | | | | 11 | Daniela Seguel | 3 | 3 |
| | Lara Salden | 5 | 6$^5$ | 11 | Daniela Seguel | 3 | 3 |
| 11 | Daniela Seguel | 7 | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Kamilla Rakhimova | 6 | 6 | | | | |
| WC | Iva Šepa | 0 | 3 | | | | |
| WC | Iva Šepa | 0 | 3 | 4 | Kamilla Rakhimova | 7 | 7$^8$ |
| | | | | 8 | Anastasia Gasanova | 5 | 6$^6$ |
| WC | Elena Milovanović | 3 | 1 | 8 | Anastasia Gasanova | 5 | 6$^6$ |
| 8 | Anastasia Gasanova | 6 | 6 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Jaqueline Cristian | 6 | 0 | 6 | | | | | |
| | Tena Lukas | 0 | 6 | 4 | | | | | |
| | Tena Lukas | 0 | 6 | 4 | 5 | Jaqueline Cristian | 7 | 2 | 1 |
| | | | | | | Réka Luca Jani | 5 | 6 | 6 |
| | Réka Luca Jani | 6 | 6$^2$ | 6 | | Réka Luca Jani | 5 | 6 | 6 |
| 12 | Aleksandra Krunić | 3 | 7$^7$ | 4 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Nuria Párrizas Díaz | 4 | 1 | | | | |
| | Dejana Radanović | 6 | 6 | | | | |
| | Dejana Radanović | 6 | 6 | | Dejana Radanović | 4 | 0$^r$ |
| | | | | 7 | Cristina Bucșa | 6 | 2 |
| | Yuliya Hatouka | 3 | 1 | 7 | Cristina Bucșa | 6 | 2 |
| 7 | Cristina Bucșa | 6 | 6 | | | | |