Stadium: Campo 3 Round: 27 Ground: Clay
| Challenger San Benedetto MD | 2018/07/16 19:00 | Fonio/Rondoni v Balzerani/Berrettini | 4-6,6-7 |
| Challenger San Benedetto MD | 2018/07/18 13:30 | Taylor/Taylor v Cacic/Margaroli | 6-7,3-6 |
| Challenger Perugia MD | 2018/07/12 12:00 | Cacic/Margaroli v Gaio/Pellegrino | 4-6,5-7 |
| Challenger Perugia MD | 2018/07/11 13:15 | Escobar/Romboli v Cacic/Margaroli | 6-2,3-6,6-10 |
| Challenger Poprad Tatry MD | 2018/06/23 10:30 | Cacic/Margaroli v Brkic/Pavic | 3-6,6-4,14-16 |
| Challenger Poprad Tatry MD | 2018/06/22 10:00 | Cacic/Margaroli v Neuchrist/Weissborn | 6-2,7-6 |
| Challenger Poprad Tatry MD | 2018/06/21 13:30 | Jebavy/Kolar v Cacic/Margaroli | 6-7,6-3,9-11 |
| Challenger Samarkand MD | 2018/05/18 11:25 | Elgin/Istomin v Cacic/Margaroli | 6-4,2-6,10-3 |
| Challenger Samarkand MD | 2018/05/18 07:20 | Gakhov/Pavlioutchenkov v Cacic/Margaroli | 2-6,4-6 |