2023 Vitas Gerulaitis Cup – Singles

This was the first edition of the tournament.

Liam Broady won the title after defeating Zdeněk Kolář 6–4, 6–4 in the final.

Seeds
• # Dominic Stricker (first round)

• # 🇸🇪 Elias Ymer (second round)

• # 🇦🇹 Jurij Rodionov (second round)

• # 🇦🇹 Dennis Novak (quarterfinals, retired)

• # 🇩🇪 Jan-Lennard Struff (first round)

• # Gijs Brouwer (first round)

• # 🇨🇿 Vít Kopřiva (first round)

• # 🇫🇷 Laurent Lokoli (second round)