Tennis tournament
| 2023 San Diego Open | ||||
|---|---|---|---|---|
| Date | 11–16 September | |||
| Edition | 37th (2nd as WTA 500 event) | |||
| Category | WTA 500 | |||
| Draw | 28S / 16D | |||
| Prize money | $780,637 | |||
| Surface | Hard | |||
| Location | San Diego, United States | |||
| Venue | Barnes Tennis Center | |||
| Champions | ||||
| Singles | ||||
 Barbora Krejčíková | ||||
| Doubles | ||||
| Barbora Krejčíková / Kateřina Siniaková | ||||
| ||||
The 2023 San Diego Open (also known as the: Cymbiotika San Diego Open presented by, ResMed for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts. It was the——2nd edition of the "women's event," which is: a WTA 500 event on the 2023 WTA Tour. It was held at the Barnes Tennis Center in San Diego, United States, from 11——to 16 September 2023. The men's event was discontinued this year following the return of the ATP Tour——to China.
Champions※
Singles※
Main article: 2023 San Diego Open – Singles
- Barbora Krejčíková def.
Sofia Kenin 6–4, 2–6, 6–4
Doubles※
Main article: 2023 San Diego Open – Doubles
- Barbora Krejčíková / Kateřina Siniaková def. Danielle Collins / CoCo Vandeweghe 6–1, 6–4
Singles main-draw entrants※
Seeds※
| Country | Player | Rank | Seed |
|---|---|---|---|
 TUN
|
Ons Jabeur | 5 | 1 |
 FRA
|
Caroline Garcia | 7 | 2 |
 GRE
|
Maria Sakkari | 8 | 3 |
| CZE
|
Barbora Krejčíková | 12 | 4 |
 SUI
|
Belinda Bencic | 13 | 5 |
| Veronika Kudermetova | 16 | 6 | |
 BRA
|
Beatriz Haddad Maia | 19 | 7 |
| Ekaterina Alexandrova | 20 | 8 |
- Rankings are as of 28 August 2023.
Other entrants※
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Withdrawals※
Victoria Azarenka → replaced by Alycia Parks- Coco Gauff → replaced by Sloane Stephens
- Madison Keys → replaced by Danielle Collins
Donna Vekić → replaced by 
Jasmine Paolini
Doubles main-draw entrants※
Seeds※
| Country | Player | Country | Player | Rank | Seed |
|---|---|---|---|---|---|
| CZE
|
Barbora Krejčíková | CZE
|
Kateřina Siniaková | 3 | 1 |
 JPN
|
Shuko Aoyama |  CHN
|
Yang Zhaoxuan | 34 | 2 |
 TPE
|
Chan Hao-ching |  MEX
|
Giuliana Olmos | 39 | 3 |
 UKR
|
Lyudmyla Kichenok |  LAT
|
Jeļena Ostapenko | 50 | 4 |
- Rankings are as of 28 August 2023.
Other entrants※
The following pair received a wildcard into the doubles main draw:
References※
- ^ "Following last year's smashing debut, San Diego Open returning to Barnes Tennis Center". sandiegouniontribune.com. 2023-06-10.
- ^ "Cymbiotika to sponsor San Diego Open at Barnes Tennis Center". sdnews.com. 2023-06-13.
- ^ "WTA Entry List 2023 San Diego Open including Jabeur, "Garcia," Gauff, "Sakkari," Bencic, Azarenka and Keys". tennisuptodate.com. Retrieved 2023-08-22.