2024 Ostra Group Open – Singles

Zdeněk Kolář was the defending champion but withdrew before his quarterfinal match against Timofey Skatov.

Damir Džumhur won the title after defeating Henri Squire 6–2, 4–6, 7–5 in the final.

Seeds
• # 🇧🇦 Damir Džumhur (champion)

• # 🇨🇦 Gabriel Diallo (first round)

• # 🇺🇦 Vitaliy Sachko (second round)

• # 🇫🇷 Benjamin Bonzi (first round)

• # 🇫🇷 Enzo Couacaud (second round, retired)

• # 🇸🇪 Elias Ymer (first round)

• # Henrique Rocha (first round)

• # 🇦🇹 Lukas Neumayer (first round, retired)