2024 San Diego Open

The 2024 San Diego Open (also known as the Cymbiotika San Diego Open for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts. It was the 3rd edition of the tournament, which is a WTA 500 event on the 2024 WTA Tour. It was held at the Barnes Tennis Center in San Diego, United States, from 26 February to 3 March 2024.

Singles

 * 🇬🇧 Katie Boulter def. 🇺🇦 Marta Kostyuk 5–7, 6–2, 6–2

Doubles

 * 🇺🇸 Nicole Melichar-Martinez / 🇦🇺 Ellen Perez def. 🇺🇸 Desirae Krawczyk / 🇺🇸 Jessica Pegula 6–1, 6–2

Prize money
1 Qualifiers prize money is also the Round of 32 prize money
 * per team

Seeds

 * 1 Rankings are as of 19 February 2024.

Other entrants
The following players received wildcards into the main draw:
 * 🇺🇸 Katherine Hui
 * 🇦🇺 Taylah Preston
 * Caroline Wozniacki

The following players received entry from the qualifying draw:
 * 🇯🇵 Mai Hontama
 * 🇺🇸 Ann Li
 * Marina Melnikova
 * 🇩🇪 Jule Niemeier
 * 🇦🇺 Daria Saville
 * 🇨🇦 Marina Stakusic

Withdrawals

 * 🇪🇸 Paula Badosa → replaced by 🇨🇿 Kateřina Siniaková
 * Anna Kalinskaya → replaced by Anna Blinkova
 * 🇨🇿 Karolína Muchová → replaced by 🇫🇷 Varvara Gracheva
 * Arantxa Rus → replaced by 🇵🇱 Magdalena Fręch

Seeds

 * 1 Rankings are as of 19 February 2024.

Other entrants
The following pair received a wildcard into the doubles main draw:
 * 🇺🇸 Emily Deming / 🇺🇸 Ann Li

The following pair received entry as alternates:
 * 🇭🇺 Dalma Gálfi / 🇯🇵 Mai Hontama

Withdrawals

 * Donna Vekić / 🇨🇳 Zhu Lin → replaced by 🇭🇺 Dalma Gálfi / 🇯🇵 Mai Hontama