Stadium: Court D Round: 28 Ground: Hardcourt outdoor
| Challenger Portoroz MD | 2018/08/08 20:05 | Bonzi/Vervoort v Khabibulin/Stakhovsky | 5-7,4-6 |
| Challenger Portoroz MD | 2018/08/06 14:30 | Kocevar-Desman/Razborsek v Khabibulin/Stakhovsky | 3-6,4-6 |
| Challenger Portoroz MD | 2018/08/08 18:30 | Draganja/Serdarusic v Granollers/Rosol | 4-6,4-6 |
| Challenger Portoroz MD | 2018/08/07 19:25 | Granollers/Rosol v Agamenone/Martinez | 5-7,6-2,10-4 |