2023 Salzburg Open – Singles

Thiago Monteiro was the defending champion but lost in the quarterfinals to Lukas Neumayer.

Sebastian Ofner won the title after defeating Neumayer 6–3, 6–2 in the final.

Seeds
• # 🇪🇸 Roberto Carballés Baena (first round)

• # 🇵🇪 Juan Pablo Varillas (second round)

• # 🇦🇹 Sebastian Ofner (champion)

• # 🇧🇷 Thiago Monteiro (quarterfinals)

• # 🇦🇷 Juan Manuel Cerúndolo (semifinals)

• # 🇦🇹 Jurij Rodionov (second round)

• # 🇦🇷 Facundo Bagnis (second round)

• # 🇦🇹 Filip Misolic (quarterfinals)