2024 Zadar Open – Singles

Alessandro Giannessi was the defending champion but lost in the second round to Timofey Skatov.

Jozef Kovalík won the title after defeating Adrian Andreev 6–4, 6–2 in the final.

Seeds
• # 🇦🇹 Dominic Thiem (second round)

• # 🇫🇷 Corentin Moutet (first round)

• # 🇭🇺 Zsombor Piros (second round)

• # 🇦🇹 Filip Misolic (first round, retired)

• # Dino Prižmić (second round)

• # 🇮🇹 Stefano Travaglia (second round)

• # 🇫🇷 Matteo Martineau (first round)

• # 🇧🇦 Nerman Fatić (first round)