Francisco Cerúndolo won the singles title at the 2024 Croatia Open Umag, defeating Lorenzo Musetti in the final, 2–6, 6–4, 7–6(7–5). It was his third ATP Tour title.
Alexei Popyrin was the defending champion, but lost to Jakub Menšík in the first round.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky loser
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw