2021 Rancho Santa Fe Open
Date	11–17 October 2021
Edition	11th
Category	ITF Women's World Tennis Tour
Prize money	$60,000
Surface	Hard
Location	Rancho Santa Fe, California, United States
Champions
Singles
Rebecca Peterson
Doubles
Katarzyna Kawa / Tereza Mihalíková
← 2020 · Rancho Santa Fe Open · 2022 →

The 2021 Rancho Santa Fe Open was a professional women's tennis tournament played on outdoor hard courts. It was the eleventh edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Rancho Santa Fe, California, United States between 11 and 17 October 2021.^[1]

Country	Player	Rank1	Seed
SWE	Rebecca Peterson	76	1
FRA	Fiona Ferro	83	2
USA	Madison Brengle	88	3
KAZ	Zarina Diyas	108	4
JPN	Misaki Doi	109	5
SVK	Kristína Kučová	112	6
MEX	Renata Zarazúa	118	7
SLO	Polona Hercog	123	8

• ¹ Rankings are as of 4 October 2021.

The following players received wildcards into the singles main draw:

• Hanna Chang
• Kayla Day
• Jessica Failla
• Allie Kiick

The following player received entry using a protected ranking:

• Priscilla Hon

The following player received entry as a junior exempt:

• Elsa Jacquemot

The following player received entry as a special exempt:

• Emina Bektas

The following players received entry from the qualifying draw:

• Ellie Douglas
• Haley Giavara
• Dalayna Hewitt
• Elvina Kalieva
• Ashlyn Krueger
• Maegan Manasse
• Tereza Mihalíková
• Marine Partaud

• Rebecca Peterson def. Elvina Kalieva, 6–4, 6–0.

• Katarzyna Kawa / Tereza Mihalíková def. Liang En-shuo / Rebecca Marino, 6–3, 4–6, [10–6].

• 2021 Rancho Santa Fe Open at ITFtennis.com
• Official website