2018 Gazprom Hungarian Open – Singles
was the defending champion, but lost in the second round to John Millman.
Marco Cecchinato won his first ATP title, defeating Millman in the final, 7–5, 6–4. Cecchinato was a lucky loser, the ninth in ATP Tour history to win a title.Seeds
The top four seeds received a bye into the second round.Draw
Finals
Seeds
Qualifiers
Qualifying draw
Second qualifier
Third qualifier