2023 Zagreb Ladies Open – Singles

Jule Niemeier was the defending champion but chose not to participate.

Jaqueline Cristian won the title, defeating Ella Seidel in the final, 6–1, 3–6, 7–6(7–0).

Seeds
• # 🇫🇷 Diane Parry (semifinals)

• # 🇭🇺 Réka Luca Jani (first round)

• # 🇷🇴 Jaqueline Cristian (champion)

• # 🇬🇧 Heather Watson (second round)

• # 🇫🇷 Séléna Janicijevic (second round)

• # 🇺🇿 Nigina Abduraimova (first round)

• # 🇫🇷 Carole Monnet (semifinals)

• # 🇨🇾 Raluca Șerban (second round)