Round: 27 Ground: Clay
| Challenger Lisbon MD | 2018/05/14 15:05 | Dias/Falcao v Lammons/Oliveira | 5-7,6-3,10-6 |
| Challenger Lisbon MD | 2018/05/16 11:00 | Galloway/Siljestrom v Draganja/Draganja | 6-7,4-6 |
| Challenger Rome MD | 2018/05/10 14:45 | Draganja/Draganja v Bracciali/Quinzi | 5-7,4-6 |
| Challenger Rome MD | 2018/05/07 14:10 | Draganja/Draganja v Kolar/Pavlasek | 6-3,2-6,10-4 |
| Challenger Francavilla MD | 2018/04/25 08:00 | Draganja/Draganja v Molchanov/Zelenay | 2-6,2-6 |
| Challenger Barletta MD | 2018/04/09 13:25 | Draganja/Draganja v Motti/Vavassori | 6-2,6-7,6-10 |
| Challenger Shenzhen MD | 2018/03/15 08:55 | Te/Wu v Draganja/Draganja | 4-6,6-3,10-7 |
| Challenger Shenzhen MD | 2018/03/13 02:00 | Hurkacz/Majchrzak v Draganja/Draganja | 5-7,6-7 |
| Challenger Zhuhai MD | 2018/03/06 02:00 | Hsieh/Junaid v Draganja/Draganja | 6-2,6-3 |