2023 Rancho Santa Fe Open

The 2023 Rancho Santa Fe Open is a professional tennis tournament played on outdoor hard courts. It was the thirteenth edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Rancho Santa Fe, California, United States between 9 and 15 October 2023.

Singles

 * 🇺🇦 Yulia Starodubtseva def. Lulu Sun 7–5, 6–3.

Doubles

 * 🇺🇸 Makenna Jones / 🇺🇦 Yulia Starodubtseva def. Tatiana Prozorova / 🇺🇸 Madison Sieg 6–3, 4–6, [10–6].

Seeds

 * 1 Rankings are as of 2 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Ellie Douglas
 * 🇺🇸 Kylie McKenzie
 * 🇺🇸 Madison Sieg

The following player received entry using a junior exempt:
 * 🇨🇳 Tian Fangran

The following player received entry as a special exempt:
 * 🇯🇵 Sayaka Ishii

The following players received entry from the qualifying draw:
 * 🇺🇸 Eryn Cayetano
 * 🇺🇸 Paris Corley
 * 🇨🇳 Han Jiangxue
 * 🇺🇸 Kimmi Hance
 * Maria Kozyreva
 * Savanna Lý-Nguyễn
 * 🇺🇸 Megan McCray
 * 🇩🇪 Nicole Rivkin

The following players received entry as lucky losers:
 * 🇺🇸 Alyssa Ahn
 * 🇺🇸 Tori Kinard