2021 Rancho Santa Fe Open

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]

• ¹ Rankings are as of 4 October 2021.

The following players received wildcards into the singles main draw:

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

The following player received entry using a protected ranking:

• Australia Priscilla Hon

The following player received entry as a junior exempt:

• France Elsa Jacquemot

The following player received entry as a special exempt:

• United States Emina Bektas

The following players received entry from the qualifying draw:

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

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

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

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

• 2021 ITF Women's World Tennis Tour
• 2021 in American tennis
• October 2021 sports events in the United States
• 2021 in sports in California

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