Fabio Fognini was the defending champion, but he chose to compete in Umag instead.
Nicolás Jarry won his first ATP Tour singles title, defeating Juan Ignacio Londero in the final, 7–6(9–7), 6–4.
Seeds The top four seeds receive a bye into the second round.
Note: Pablo Carreño Busta, who entered late and played in the qualifying tournament, would have been seeded fifth if he had entered the tournament prior to the initial entry cutoff date of 3 June 2019.
Draw
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
External links Main Draw Qualifying Draw