2023 Berkeley Tennis Club Challenge

The 2023 Berkeley Tennis Club Challenge was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Berkeley, California, United States between 18 and 24 September 2023.

Singles

 * 🇨🇦 Marina Stakusic def. 🇺🇸 Allie Kiick, 6–3, 6–4

Doubles

 * 🇺🇸 Jessie Aney / 🇨🇴 María Herazo González def. 🇦🇺 Elysia Bolton / 🇦🇺 Alexandra Bozovic, 7–5, 7–5

Seeds

 * 1 Rankings are as of 11 September 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Jenna DeFalco
 * 🇺🇸 Haley Giavara
 * 🇺🇸 Clervie Ngounoue
 * 🇺🇸 Alexa Noel

The following players received entry from the qualifying draw:
 * 🇨🇦 Jessica Luisa Alsola
 * 🇺🇸 Ellie Douglas
 * 🇺🇸 Allie Kiick
 * Maria Kozyreva
 * 🇺🇸 Lea Ma
 * 🇺🇸 Kylie McKenzie
 * 🇫🇷 Marine Partaud
 * 🇺🇦 Hanna Poznikhirenko

The following player received entry into the singles main draw using a special ranking:
 * 🇨🇦 Marina Stakusic