| Score: | 7–5, 6–3 |
| Type: | singles doubles |
See main article: article and 2018 Tilia Slovenia Open.
Hans Podlipnik Castillo and Andrei Vasilevski were the defending champions but chose not to defend their title.
Gerard Granollers and Lukáš Rosol won the title after defeating Nikola Ćaćić and Lucas Miedler 7–5, 6–3 in the final.