2023 Sparta Prague Open – Singles

Sebastian Ofner was the defending champion but chose not to defend his title.

Jakub Menšík won the title after defeating Dominik Koepfer 6–4, 6–3 in the final.

Seeds
• # 🇲🇩 Radu Albot (first round)

• # Dominic Stricker (first round)

• # 🇸🇰 Norbert Gombos (second round)

• # 🇸🇰 Lukáš Klein (quarterfinals)

• # 🇫🇷 Enzo Couacaud (first round)

• # 🇩🇪 Dominik Koepfer (final)

• # 🇧🇦 Damir Džumhur (first round)

• # Tseng Chun-hsin (first round)