2024 Split Open – Men's singles

Zsombor Piros was the defending champion but lost in the final to Jozef Kovalík.

Kovalík won the title after defeating Piros 6–4, 5–7, 7–5 in the final.

Seeds
• # 🇭🇺 Zsombor Piros (final)

• # Duje Ajduković (second round)

• # 🇸🇰 Lukáš Klein (first round)

• # 🇫🇷 Quentin Halys (second round)

• # 🇦🇷 Juan Manuel Cerúndolo (first round, retired)

• # 🇧🇦 Damir Džumhur (first round)

• # 🇸🇰 Alex Molčan (first round)

• # 🇦🇹 Filip Misolic (quarterfinals)