2023 Hamburg Ladies & Gents Cup – Women's singles

Rebeka Masarova was the defending champion but chose to compete in Cluj-Napoca instead.

Julia Avdeeva won the title, defeating Ella Seidel in the final, 6–4, 7–6(7–2).

Seeds
• # 🇹🇷 Berfu Cengiz (second round)

• # 🇩🇪 Ella Seidel (final)

• # 🇧🇪 Sofia Costoulas (first round)

• # Lea Bošković (semifinals)

• # 🇩🇪 Mona Barthel (quarterfinals)

• # Julia Avdeeva (champion)

• # 🇩🇪 Julia Middendorf (second round)

• # 🇧🇪 Alison Van Uytvanck (first round, retired)