Stadium: Court 3 Round: 25 Ground: Clay
| ITF Hungary F1 | 2018/05/09 11:50 | Mate Valkusz v Domagoj Biljesko | 6-3,6-3 |
| ITF Hungary F1 | 2018/05/08 12:25 | Vladimir Filip v Domagoj Biljesko | 6-7,2-6 |
| ITF Tunisia F17 | 2018/05/02 09:00 | Diego Hidalgo v Domagoj Biljesko | 6-1,6-3 |
| ITF Tunisia F16 | 2018/04/25 09:00 | Domagoj Biljesko v Bernardo Saraiva | 2-6,2-6 |
| ITF Tunisia F15 | 2018/04/17 11:30 | Filip Duda v Domagoj Biljesko | 6-1,3-6,6-4 |
| ITF Greece F5 | 2018/03/29 07:30 | Yannick Jankovits v Domagoj Biljesko | 2-6,6-1,7-5 |
| ITF Greece F5 | 2018/03/27 09:00 | Domagoj Biljesko v Alexander Donski | 6-3,4-6,7-5 |
| ITF Greece F4 | 2018/03/21 10:10 | Domagoj Biljesko v Patrik Nema | 6-4,3-6,4-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/14 08:00 | Alexey Aleshchev v James Allemby | 6-1,6-2 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/13 10:30 | Alexey Aleshchev v Stefan Granolic | 6-0,6-2 |
| ITF Israel F5 | 2018/04/29 06:30 | Alexey Aleshchev v Gilad Tamar | 6-3,4-6,4-6 |
| ITF Israel F5 | 2018/04/28 07:30 | Alexey Aleshchev v Sid Donarski | 6-2,6-3 |
| ITF Israel F4 | 2018/04/23 07:00 | Luca Castelnuovo v Alexey Aleshchev | 6-7,4-6 |
| ITF Israel F4 | 2018/04/22 09:00 | Guy Dagan v Alexey Aleshchev | 3-6,3-6 |
| ITF Israel F3 | 2018/03/19 08:00 | Alexis Canter v Alexey Aleshchev | 7-6,6-4 |
| ITF Israel F3 | 2018/03/18 10:00 | Aidan Talcott v Alexey Aleshchev | 3-6,4-6 |