2023 Berkeley Tennis Club Challenge – Singles

Madison Brengle was the defending champion and top seed, but she retired from her quarterfinal match against Marina Stakusic at 4–6, 0–2.

Stakusic went on to win the title, defeating Allie Kiick in the final, 6–3, 6–4.

Seeds
• # 🇺🇸 Madison Brengle (quarterfinals, retired)

• # 🇺🇸 Katie Volynets (first round)

• # 🇨🇦 Katherine Sebov (second round)

• # 🇫🇷 Elsa Jacquemot (semifinals)

• # Lulu Sun (second round)

• # Tatiana Prozorova (quarterfinals)

• # 🇲🇽 Marcela Zacarías (first round)

• # 🇺🇸 Makenna Jones (first round)