| Champ: |  Roberto Bautista Agut |
| Runner: |  Lucas Pouille |
| Score: | 6–3, 6–4 |
| Draw: | 32 (4 / 3) |
| Seeds: | 8 |
See main article: 2018 Dubai Tennis Championships.
Andy Murray was the defending champion, but could not participate this year as he was recovering from hip surgery.
Roberto Bautista Agut won the title, defeating Lucas Pouille in the final, 6–3, 6–4.