2023 Open ITF Arcadis Brezo Osuna – Singles

Marina Bassols Ribera was the defending champion but chose not to participate.

Tatiana Prozorova won the title, defeating Marta Soriano Santiago in the final, 6–3, 6–1.

Seeds
All seeds receive a bye into the second round. • # 🇦🇺 Jaimee Fourlis (second round)

• # 🇺🇸 Robin Montgomery (quarterfinals)

• # 🇨🇳 Bai Zhuoxuan (semifinals)

• # Arianne Hartono (second round)

• # 🇫🇷 Harmony Tan (second round)

• # 🇺🇸 Jamie Loeb (second round)

• # 🇯🇵 Sakura Hosogi (quarterfinals)

• # 🇹🇷 Berfu Cengiz (quarterfinals)

• # Tatiana Prozorova (champion)

• # 🇺🇦 Kateryna Volodko (third round, retired)

• # 🇭🇰 Adithya Karunaratne (third round)

• # 🇦🇺 Destanee Aiava (third round)

• # 🇧🇦 Nefisa Berberović (third round)

• # 🇫🇮 Anastasia Kulikova (third round)

• # Jana Kolodynska (third round)

• # 🇱🇹 Justina Mikulskytė (second round)