# 2018 China Open (tennis)

The 2018 China Open was a tennis tournament played on outdoor hard courts. It was the 19th edition of the China Open for the men (22nd for the women). It was part of ATP World Tour 500 series on the 2018 ATP World Tour, and the last WTA Premier Mandatory tournament of the 2018 WTA Tour. Both the men's and the women's events were held at the National Tennis Center in Beijing, China, from October 1 to October 7, 2018.

## Points and prize money
### Point distribution

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | Q | Q2 | Q1 |
| Men's singles | 500 | 300 | 180 | 90 | 45 | 0 | — | 20 | 10 | 0 |
| Men's doubles | 500 | 300 | 180 | 90 | 0 | — | — | 45 | 25 | 0 |
| Women's singles | 1,000 | 650 | 390 | 215 | 120 | 65 | 10 | 30 | 20 | 2 |
| Women's doubles | 1,000 | 650 | 390 | 215 | 120 | 10 | — | — | — | — |

### Prize money

| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | Q2 | Q1 |
| Men's singles | $733,320 | $359,510 | $180,900 | $92,000 | $47,480 | $25,200 | — | $5,575 | $2,845 |
| Men's doubles | $220,790 | $108,100 | $54,220 | $27,830 | $14,380 | — | — | — | — |
| Women's singles | $1,525,245 | $763,255 | $372,400 | $178,895 | $86,095 | $41,610 | $23,945 | $6,375 | $3,705 |
| Women's doubles | $516,020 | $258,935 | $115,275 | $53,200 | $24,830 | $11,530 | — | — | — |

## ATP singles main-draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| ARG | Juan Martín del Potro | 4 | 1 |
| GER | Alexander Zverev | 5 | 2 |
| BUL | Grigor Dimitrov | 7 | 3 |
| ITA | Fabio Fognini | 13 | 4 |
| GBR | Kyle Edmund | 16 | 5 |
| USA | Jack Sock | 17 | 6 |
| CRO | Borna Ćorić | 18 | 7 |
| ITA | Marco Cecchinato | 22 | 8 |
* $^1$ Rankings are as of September 24, 2018

### Other entrants

The following players received wildcards into the singles main draw:
* Marcos Baghdatis
* Feliciano López
* Wu Yibing
The following player received entry as a special exempt:
* João Sousa
The following players received entry from the qualifying draw:
* Radu Albot
* Matteo Berrettini
* Dušan Lajović
* Vasek Pospisil
The following player received entry as an alternate:
* Malek Jaziri
The following player received entry as a lucky loser:
* Tennys Sandgren

### Withdrawals
#### Before the tournament

* Pablo Carreño Busta → replaced by Andreas Seppi
* Ryan Harrison → replaced by Tennys Sandgren
* John Isner → replaced by Mischa Zverev
* Andy Murray → replaced by Malek Jaziri
* Rafael Nadal → replaced by Peter Gojowczyk

#### During the tournament

* Fabio Fognini

## ATP doubles main-draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| AUT | Oliver Marach | CRO | Mate Pavić | 7 | 1 |
| POL | Łukasz Kubot | BRA | Marcelo Melo | 11 | 2 |
| COL | Juan Sebastián Cabal | COL | Robert Farah | 19 | 3 |
| CRO | Ivan Dodig | CRO | Nikola Mektić | 41 | 4 |
* Rankings are as of September 24, 2018

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Gong Maoxin / Zhang Ze
* Hua Runhao / Zhang Zhizhen
The following pair received entry from the qualifying draw:
* Denys Molchanov / Igor Zelenay

## WTA singles main-draw entrants
### Seeds

The following are the seeded players. Seedings are based on WTA rankings as of 24 September 2018. Rankings and points before are as of 1 October 2018.
| Seed | Rank | Player | Points before | Points defending | Points won | Points after | Status |
| 1 | 1 | Simona Halep | 8,061 | 650 | 10 | 7,421 | First round retired against Ons Jabeur [Q] |
| 2 | 2 | Caroline Wozniacki | 5,610 | 120 | 1000 | 6,490 | Champion, defeated Anastasija Sevastova |
| 3 | 3 | Angelique Kerber | 5,345 | 65 | 120 | 5,400 | Third round lost to Zhang Shuai |
| 4 | 8 | Caroline Garcia | 3,925 | 1,000 | 120 | 3,045 | Third round lost to Aryna Sabalenka |
| 5 | 4 | Petra Kvitová | 4,635 | 390 | 10 | 4,255 | First round lost to Daria Gavrilova |
| 6 | 5 | Elina Svitolina | 4,555 | 215 | 10 | 4,350 | First round lost to Aleksandra Krunić |
| 7 | 7 | Karolína Plíšková | 4,345 | 120 | 120 | 4,345 | Third round lost to Wang Qiang [WC] |
| 8 | 6 | Naomi Osaka | 4,390 | 10 | 390 | 4,770 | Semifinals lost to Anastasija Sevastova |
| 9 | 9 | Sloane Stephens | 3,912 | 10 | 120 | 4,022 | Third round lost to Dominika Cibulková |
| 10 | 10 | Julia Görges | 3,730 | 65 | 120 | 3,785 | Third round lost to Naomi Osaka [8] |
| 11 | 11 | Kiki Bertens | 3,630 | 10 | 120 | 3,740 | Third round lost to Kateřina Siniaková [Q] |
| 12 | 13 | Jeļena Ostapenko | 3,188 | 390 | 65 | 2,863 | Second round lost to Wang Qiang [WC] |
| 13 | 12 | Daria Kasatkina | 3,355 | 215 | 10 | 3,150 | First round retired against Laura Siegemund [PR] |
| 14 | 15 | Garbiñe Muguruza | 3,115 | 10 | 65 | 3,170 | Second round lost to Aryna Sabalenka |
| 15 | 14 | Elise Mertens | 3,170 | 65 | 10 | 3,115 | First round lost to Zhang Shuai |
| 16 | 19 | Ashleigh Barty | 2,615 | 10 | 0 | 2,605 | Withdrew due to right arm injury |
| 17 | 18 | Madison Keys | 2,751 | 0 | 65 | 2,816 | Second round, withdrew due to left knee injury |

### Other entrants

The following players received wildcards into the singles main draw:
* Duan Yingying
* Samantha Stosur
* Wang Qiang
* Wang Yafan
* Zheng Saisai
The following players received entry using a protected ranking into the singles main draw:
* Timea Bacsinszky
* Laura Siegemund
The following players received entry from the qualifying draw:
* Katie Boulter
* Zarina Diyas
* Polona Hercog
* Ons Jabeur
* Andrea Petkovic
* Yulia Putintseva
* Kateřina Siniaková
* Dayana Yastremska
The following players received entry as lucky losers:
* Sorana Cîrstea
* Bernarda Pera

### Withdrawals
#### Before the tournament

* Ashleigh Barty → replaced by Sorana Cîrstea and Bernarda Pera
* Agnieszka Radwańska → replaced by Kirsten Flipkens
* Maria Sharapova → replaced by Petra Martić
* Serena Williams → replaced by Ekaterina Makarova
* Venus Williams → replaced by Aleksandra Krunić
* ↑ Barty earned a bye into the second round after reaching the semifinals in Wuhan; her withdrawal removed the bye and created two spots in the draw.

#### During the tournament

* Madison Keys

### Retirements

* Simona Halep
* Daria Kasatkina
* Lesia Tsurenko

## WTA doubles main-draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| HUN | Tímea Babos | FRA | Kristina Mladenovic | 6 | 1 |
| CZE | Andrea Sestini Hlaváčková | CZE | Barbora Strýcová | 15 | 2 |
| CAN | Gabriela Dabrowski | CHN | Xu Yifan | 25 | 3 |
| BEL | Elise Mertens | NED | Demi Schuurs | 27 | 4 |
| USA | Nicole Melichar | CZE | Květa Peschke | 31 | 5 |
| SLO | Andreja Klepač | ESP | María José Martínez Sánchez | 32 | 6 |
| CZE | Lucie Hradecká | RUS | Ekaterina Makarova | 42 | 7 |
| TPE | Chan Hao-ching | CHN | Yang Zhaoxuan | 55 | 8 |
* $^1$ Rankings are as of September 24, 2018

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Duan Yingying / Wang Yafan
* Johanna Konta / Zhang Shuai
The following pairs received entry as alternates:
* Alizé Cornet / Petra Martić
* Magda Linette / Zheng Saisai

### Withdrawals
#### Before the tournament

* Daria Gavrilova
* Wang Qiang

## Champions
### Men's singles

* Nikoloz Basilashvili def. Juan Martín del Potro, 6–4, 6–4

### Women's singles

* Caroline Wozniacki def. Anastasija Sevastova, 6–3, 6–3

### Men's doubles

* Łukasz Kubot / Marcelo Melo def. Oliver Marach / Mate Pavić, 6–1, 6–4

### Women's doubles

* Andrea Sestini Hlaváčková / Barbora Strýcová def. Gabriela Dabrowski / Xu Yifan, 4–6, 6–4, [10–8]