| Champ: |  Oliver MarachMate Pavić |
| Runner: | Ivan Dodig  Rajeev Ram |
| Score: | 3–6, 7–6(7–3), [11–9] |
| Draw: | 16 (2) |
| Seeds: | 4 |
| Edition: | 16th |
| Type: | singles doubles |
| Main Name: | Geneva Open |
See main article: 2018 Geneva Open. Jean-Julien Rojer and Horia Tecău were the defending champions, but Tecău could not participate due to injury and Rojer chose to compete in Lyon instead.
Oliver Marach and Mate Pavić won the title, defeating Ivan Dodig and Rajeev Ram in the final, 3–6, 7–6(7–3), [11–9].