2018 Gazprom Hungarian Open – Singles
| Singles | |
|---|---|
| 2018 Gazprom Hungarian Open | |
| Champion | Marco Cecchinato |
| Runner-up | John Millman |
| Score | 7–5, 6–4 |
| Draw | 28 (4 Q / 2 WC ) |
| Seeds | 8 |
Lucas Pouille 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.