| Singles | |
|---|---|
| 2018 Guangzhou International Women's Open | |
| Champion |  Wang Qiang |
| Runner-up |  Yulia Putintseva |
| Score | 6–1, 6–2 |
| Draw | 32 |
| Seeds | 8 |
Zhang Shuai was the defending champion, but she withdrew before her first round match against Wang Yafan.
Wang Qiang won the title, defeating Yulia Putintseva in the final, 6–1, 6–2.
Alizé Cornet (first round) Zhang Shuai (withdrew) Wang Qiang (champion)
Aleksandra Krunić (quarterfinals) Yulia Putintseva (final)
Viktória Kužmová (second round)
Vera Lapko (quarterfinals) Zheng Saisai (second round)| Semifinals | Final | ||||||||||||
| 5 | Yulia Putintseva | 6 | 6 | ||||||||||
 Bernarda Pera | 1 | 4 | |||||||||||
| 5 | Yulia Putintseva | 1 | 2 | ||||||||||
| 3 | Wang Qiang | 6 | 6 | ||||||||||
| 3 | Wang Qiang | 6 | 6 | ||||||||||
 Andrea Petkovic | 2 | 2 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Cornet | 0 | 3 | ||||||||||||||||||||||||
| J Brady | 6 | 6 | J Brady | ||||||||||||||||||||||||
 K Kozlova | 6 | 77 | K Kozlova | w/o | |||||||||||||||||||||||
| Q | Jia Lu | 0 | 64 | K Kozlova | 4 | 1 | |||||||||||||||||||||
| WC |  V Zvonareva | 4 | 2 | 5 | Y Putintseva | 6 | 6 | ||||||||||||||||||||
| PR | S Lisicki | 6 | 6 | PR | S Lisicki | 3 | 3 | ||||||||||||||||||||
 S Sorribes Tormo | 1 | 1 | 5 | Y Putintseva | 6 | 6 | |||||||||||||||||||||
| 5 | Y Putintseva | 6 | 6 | 5 | Y Putintseva | 6 | 6 | ||||||||||||||||||||
| 4 | A Krunić | 6 | 6 | B Pera | 1 | 4 | |||||||||||||||||||||
 V Golubic | 4 | 3 | 4 | A Krunić | 6 | 6 | |||||||||||||||||||||
 A Bogdan | 6 | 3 | 1r | C McHale | 3 | 3 | |||||||||||||||||||||
| C McHale | 4 | 6 | 3 | 4 | A Krunić | 6 | 3 | 4 | |||||||||||||||||||
| B Pera | 77 | 6 | B Pera | 4 | 6 | 6 | |||||||||||||||||||||
 M Fręch | 63 | 1 | B Pera | 6 | 6 | ||||||||||||||||||||||
| Q | I Jorović | 2 | 3 | 6 | V Kužmová | 2 | 3 | ||||||||||||||||||||
| 6 | V Kužmová | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | S Zheng | 6 | 6 | ||||||||||||||||||||||||
| Q | H Guo | 4 | 2 | 8 | S Zheng | 6 | 3 | 2 | |||||||||||||||||||
| F Ferro | 6 | 6 | F Ferro | 0 | 6 | 6 | |||||||||||||||||||||
| WC | Xiy Wang | 3 | 3 | F Ferro | 4 | 0 | |||||||||||||||||||||
| WC | S Kuznetsova | 3 | 6 | 6 | 3 | Q Wang | 6 | 6 | |||||||||||||||||||
| Q |  K Thandi | 6 | 3 | 2 | WC | S Kuznetsova | 2 | 2 | |||||||||||||||||||
| N Gibbs | 1 | 2 | 3 | Q Wang | 6 | 6 | |||||||||||||||||||||
| 3 | Q Wang | 6 | 6 | 3 | Q Wang | 6 | 6 | ||||||||||||||||||||
| 7 | V Lapko | 6 | 6 | A Petkovic | 2 | 2 | |||||||||||||||||||||
| PR | V King | 2 | 1 | 7 | V Lapko | 6 | 7 | ||||||||||||||||||||
| Q |  D Khazaniuk | 6 | 4 | 6 | Q | D Khazaniuk | 2 | 5 | |||||||||||||||||||
| WC | Xin Wang | 4 | 6 | 3 | 7 | V Lapko | 2 | 62 | |||||||||||||||||||
| A Petkovic | 1 | 6 | 6 | A Petkovic | 6 | 77 | |||||||||||||||||||||
| Q |  L Cabrera | 6 | 3 | 3 | A Petkovic | 6 | 77 | ||||||||||||||||||||
| Y Wang | 6 | 6 | Y Wang | 4 | 65 | ||||||||||||||||||||||
| LL | L Zhu | 2 | 2 | ||||||||||||||||||||||||
Zhu Lin (qualifying competition, Lucky loser) Claire Liu (qualifying competition) Han Xinyun (first round) Lizette Cabrera (qualified)
Danka Kovinić (qualifying competition) Lu Jiajing (qualified) Ivana Jorović (qualified) Xun Fangying (first round) Karman Thandi (qualified) Deniz Khazaniuk (qualified) Zhang Kailin (qualifying competition)
Junri Namigata (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Zhu Lin | 6 | 6 | ||||||||||
| WC | Wang Meiling | 1 | 3 | ||||||||||
| 1 | Zhu Lin | 2 | 1 | ||||||||||
| 7 | Ivana Jorović | 6 | 6 | ||||||||||
 Liang En-shuo | 1 | 1 | |||||||||||
| 7 | Ivana Jorović | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Claire Liu | 6 | 6 | ||||||||||
| WC | Ren Jiaqi | 3 | 0 | ||||||||||
| 2 | Claire Liu | 1 | 5 | ||||||||||
| 10 | Deniz Khazaniuk | 6 | 7 | ||||||||||
 Abigail Tere-Apisah | 3 | 2 | |||||||||||
| 10 | Deniz Khazaniuk | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Han Xinyun | 6 | 3 | 0 | |||||||||
| WC | Guo Hanyu | 3 | 6 | 6 | |||||||||
| WC | Guo Hanyu | 6 | 6 | ||||||||||
| Yuan Yue | 2 | 4 | |||||||||||
| Yuan Yue | 2 | 6 | 6 | ||||||||||
| 8 | Xun Fangying | 6 | 4 | 3 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Lizette Cabrera | 3 | 77 | 6 | |||||||||
| Xu Shilin | 6 | 63 | 3 | ||||||||||
| 4 | Lizette Cabrera | 4 | 7 | 77 | |||||||||
| 11 | Zhang Kailin | 6 | 5 | 61 | |||||||||
| Hiroko Kuwata | 1 | 2 | |||||||||||
| 11 | Zhang Kailin | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 5 | Danka Kovinić | 6 | 6 | ||||||||||
| WC | Liu Yanni | 3 | 1 | ||||||||||
| 5 | Danka Kovinić | 3 | 7 | 3 | |||||||||
| 9 | Karman Thandi | 6 | 5 | 6 | |||||||||
| Kang Jiaqi | 2 | 2 | |||||||||||
| 9 | Karman Thandi | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 6 | Lu Jiajing | 6 | 6 | ||||||||||
| Sun Xuliu | 0 | 1 | |||||||||||
| 6 | Lu Jiajing | 6 | 4 | 6 | |||||||||
| 12 | Junri Namigata | 2 | 6 | 4 | |||||||||
| Gai Ao | 1 | 6 | 1 | ||||||||||
| 12 | Junri Namigata | 6 | 3 | 6 | |||||||||
Agnieszka Radwańska was the defending champion but decided not to participate.
Venus Williams was the defending champion, but chose to compete in St. Petersburg instead.
Elina Svitolina was the defending champion but withdrew before her second round match.
Lesia Tsurenko was the defending champion, but lost in the first round to Aleksandra Krunić.
Elina Svitolina was the defending champion from the last time the event was held at Pune in 2012, but chose not to participate this year.
Elina Svitolina was the defending champion, but withdrew before the tournament began.
Wang Qiang was the defending champion, but chose not to participate.
Peng Shuai was the defending champion, but withdrew before the tournament began.
The 2018 Guangzhou International Women's Open is a women's tennis tournament played on outdoor hard courts. It was the 15th edition of the Guangzhou International Women's Open, and part of the WTA International tournaments of the 2018 WTA Tour. It took place in Guangzhou, China, from September 17 through September 22, 2018.
Zarina Diyas was the defending champion, but lost in the quarterfinals to Zhang Shuai.
Belinda Bencic was the defending champion, but chose to compete in Houston instead.
Simona Halep was the defending champion but chose to not participate.
Romina Oprandi was the defending champion, having won the last edition in 2012 as an ITF tournament, but chose not to participate.
Zheng Saisai was the defending champion, but lost in the quarterfinals to Ajla Tomljanović.
Wang Qiang was the defending champion, but lost in the first round to Peng Shuai.
Caroline Garcia was the defending champion, but lost in the second round to Wang Yafan.
Garbiñe Muguruza was the two-time defending champion, but chose not to participate.
The Phillip Island Trophy was a new addition to the WTA Tour in 2021.
This was the first edition of the tournament.
Irina-Camelia Begu defeated Lucia Bronzetti in the final, 6–2, 6–2 to win the singles tennis title at the 2022 Internazionali Femminili di Palermo. It was her first title since 2017.