2021 Berkeley Tennis Club Challenge
Date	27 September–3 October 2021
Edition	3rd
Category	ITF Women's World Tennis Tour
Prize money	$60,000
Surface	Hard
Location	Berkeley, California, United States
Champions
Singles
Usue Maitane Arconada
Doubles
Sophie Chang / Angela Kulikov
← 2019 · Berkeley Tennis Club Challenge · 2022 →

The 2021 Berkeley Tennis Club Challenge was a professional women's tennis tournament played on outdoor hard courts. It was the third edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Berkeley, California, United States between 27 September and 3 October 2021.^[1]

Country	Player	Rank1	Seed
CHN	Zheng Saisai	83	1
CHN	Wang Xinyu	129	2
HUN	Panna Udvardy	143	3
JPN	Kurumi Nara	176	4
USA	Katie Volynets	185	5
USA	Francesca Di Lorenzo	193	6
JPN	Mayo Hibi	209	7
TPE	Liang En-shuo	228	8

• ¹ Rankings are as of 20 September 2021.

The following players received wildcards into the singles main draw:

• Reese Brantmeier
• Ellie Douglas
• Victoria Duval
• Paola Expósito Díaz Delgado

The following player received entry using a protected ranking:

• Louisa Chirico

The following player received entry as a special exempt:

• Kayla Day

The following players received entry from the qualifying draw:

• Alexandra Bozovic
• Sophie Chang
• Jada Hart
• Haruka Kaji
• Maria Kozyreva
• Hiroko Kuwata
• Maegan Manasse
• Emma Navarro

• Usue Maitane Arconada def. Marcela Zacarías, 6–1, 6–3

• Sophie Chang / Angela Kulikovdef. Liang En-shuo / Lu Jiajing, 6–4, 6–3

• 2021 Berkeley Tennis Club Challenge at ITFtennis.com
• Official website Archived 2021-09-20 at the Wayback Machine