# 2021 Serbia Open

The 2021 Serbia Open was a tennis tournament played on outdoor clay courts. It was the 5th and 1st edition of the event for male and female professional tennis players, respectively. It was part of the 2021 ATP Tour and the 2021 WTA Tour and took place in Belgrade, Serbia; in mid-April for men and mid-May for women. A second ATP tournament, called the Belgrade Open, was played in men's singles the week before the French Open.

## Champions
### Men's singles

* Matteo Berrettini def. Aslan Karatsev, 6–1, 3–6, 7–6$^{(7–0)}$

### Women's singles

* Paula Badosa def. Ana Konjuh 6–2, 2–0, ret.

### Men's doubles

* Ivan Sabanov / Matej Sabanov def. Ariel Behar / Gonzalo Escobar, 6–3, 7–6$^{(7–5)}$

### Women's doubles

* Aleksandra Krunić / Nina Stojanović def. Greet Minnen / Alison Van Uytvanck 6–0, 6–2

## Points and prize money
### Point distribution

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 250 | 150 | 90 | 45 | 20 | 0 | 12 | 6 | 0 |
| Doubles | 250 | 150 | 90 | 45 | 0 | — | — | — | — |

### Prize money

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | €100,225 | €58,885 | €34,710 | €19,840 | €11,480 | €6,710 | €3,280 | €1,705 |
| Doubles* | €34,510 | €18,590 | €10,560 | €6,030 | €3,550 | — | — | — |
$_{*perteam}$

## ATP singles main draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| SRB | Novak Djokovic | 1 | 1 |
| ITA | Matteo Berrettini | 10 | 2 |
| RUS | Aslan Karatsev | 29 | 3 |
| SRB | Dušan Lajović | 31 | 4 |
| SRB | Filip Krajinović | 37 | 5 |
| HUN | Márton Fucsovics | 40 | 6 |
| AUS | John Millman | 44 | 7 |
| SRB | Miomir Kecmanović | 47 | 8 |
| SRB | Laslo Đere | 49 | 9 |
* $^1$ Rankings are as of 12 April 2021

### Other entrants

The following players received wildcards into the main draw:
* Nikola Milojević
* Danilo Petrović
* Viktor Troicki
The following players received entry from the qualifying draw:
* Facundo Bagnis
* Francisco Cerúndolo
* Gianluca Mager
* Arthur Rinderknech
The following players received entry as lucky losers:
* Roberto Carballés Baena
* Taro Daniel
* João Sousa

### Withdrawals
#### Before the tournament

* Borna Ćorić → replaced by Federico Delbonis
* Pablo Cuevas → replaced by João Sousa
* Márton Fucsovics → replaced by Roberto Carballés Baena
* Gaël Monfils → replaced by Federico Coria
* Yoshihito Nishioka → replaced by Kwon Soon-woo
* Emil Ruusuvuori → replaced by Taro Daniel
* Dominic Thiem → replaced by Juan Ignacio Londero
* Fernando Verdasco → replaced by Alexei Popyrin
* Jiří Veselý → replaced by Marco Cecchinato
* Stan Wawrinka → replaced by Ričardas Berankis

## ATP doubles main draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| CRO | Nikola Mektić | CRO | Mate Pavić | 5 | 1 |
| USA | Austin Krajicek | AUT | Oliver Marach | 71 | 2 |
| RSA | Raven Klaasen | JPN | Ben McLachlan | 71 | 3 |
| ESA | Marcelo Arévalo | NED | Matwé Middelkoop | 93 | 4 |
* Rankings are as of 12 April 2021

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Miomir Kecmanović / Dušan Lajović
* Ivan Sabanov / Matej Sabanov
The following pair received entry as an alternate:
* Artem Sitak / Stefano Travaglia

### Withdrawals
#### Before the tournament

* Nikola Mektić / Mate Pavić → Artem Sitak / Stefano Travaglia
* Hugo Nys / Tim Pütz → Matteo Berrettini / Andrea Vavassori

### Retirements

* Rohan Bopanna / Pablo Cuevas

## WTA singles main draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| RUS | Anastasia Pavlyuchenkova | 30 | 1 |
| KAZ | Yulia Putintseva | 34 | 2 |
| CHN | Zhang Shuai | 41 | 3 |
| ESP | Paula Badosa | 42 | 4 |
| ARG | Nadia Podoroska | 44 | 5 |
| FRA | Kristina Mladenovic | 53 | 6 |
| SWE | Rebecca Peterson | 61 | 7 |
| MNE | Danka Kovinić | 62 | 8 |
* $^1$ Rankings are as of 10 May 2021

### Other entrants

The following players received wildcards into the main draw:
* Olga Danilović
* Ivana Jorović
* Lola Radivojević
The following players received entry using a protected ranking:
* Mihaela Buzărnescu
* Andrea Petkovic
The following players received entry from the qualifying draw:
* Cristina Bucșa
* Réka Luca Jani
* Ana Konjuh
* Camila Osorio
* Kamilla Rakhimova
* Wang Xiyu
The following player received entry as a lucky loser:
* Viktoriya Tomova

### Withdrawals
#### Before the tournament

* Kiki Bertens → replaced by Aliaksandra Sasnovich
* Sorana Cîrstea → replaced by Kaja Juvan
* Fiona Ferro → replaced by Anna Kalinskaya
* Svetlana Kuznetsova → replaced by Kristýna Plíšková
* Magda Linette → replaced by Ajla Tomljanović
* Anastasia Pavlyuchenkova → replaced by Viktoriya Tomova
* Elena Rybakina → replaced by Polona Hercog
* Anastasija Sevastova → replaced by Tereza Martincová
* Laura Siegemund → replaced by Tímea Babos
* Donna Vekić → replaced by Andrea Petkovic
* Zheng Saisai → replaced by Nina Stojanović

### Retirements

* Ana Konjuh

## WTA doubles main draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| JPN | Shuko Aoyama | JPN | Ena Shibahara | 26 | 1 |
| HUN | Tímea Babos | RUS | Vera Zvonareva | 45 | 2 |
| CHN | Xu Yifan | CHN | Zhang Shuai | 47 | 3 |
| SRB | Aleksandra Krunić | SRB | Nina Stojanović | 115 | 4 |
* $^1$ Rankings as of May 10, 2021.

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Ivana Jorović / Lola Radivojević
* Elena Milovanović / Dejana Radanović
The following pair received entry into the doubles main draw using a protected ranking:
* Natela Dzalamidze / Irina Khromacheva
The following pair received entry as alternates:
* Camila Osorio / Emily Webley-Smith

### Withdrawals
#### Before the tournament

* Aliona Bolsova / Ankita Raina → replaced by Mihaela Buzărnescu / Ankita Raina
* Irina Khromacheva / Danka Kovinić → replaced by Natela Dzalamidze / Irina Khromacheva
* Elena Milovanović / Dejana Radanović → replaced by Camila Osorio / Emily Webley-Smith
* Anastasia Potapova / Vera Zvonareva → replaced by Tímea Babos / Vera Zvonareva