Stadium: Court 2 Round: 25 Ground: Clay
| ITF Bosnia and Herzegovina F3 | 2018/05/31 11:25 | Domagoj Biljesko v Peter Nagy | 4-6,0-6 |
| ITF Bosnia and Herzegovina F3 | 2018/05/29 12:40 | Domagoj Biljesko v Lingxi Zhao | 6-7,6-3,6-4 |
| ITF Bosnia and Herzegovina F1 | 2018/05/17 10:50 | Tomislav Brkic v Domagoj Biljesko | 6-4,3-6,6-3 |
| ITF Bosnia and Herzegovina F1 | 2018/05/15 10:30 | Domagoj Biljesko v Alexey Aleshchev | 5-7,6-1,6-4 |
| 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 Estonia F3 | 2018/11/06 14:00 | Joshua Paris v Maxim Ratniuk | 6-4,6-4 |
| ITF Estonia F2 | 2018/10/31 10:50 | Karl Kiur Saar v Maxim Ratniuk | 7-5,6-1 |
| ITF Estonia F2 | 2018/10/29 10:40 | Aleksas Tverijonas v Maxim Ratniuk | 6-4,4-6,4-6 |
| ITF Turkey F32 | 2018/10/16 07:00 | Maxim Ratniuk v Mick Veldheer | 6-4,4-6,4-6 |
| ITF Turkey F31 | 2018/10/09 07:00 | Dejan Katic v Maxim Ratniuk | 6-4,6-3 |
| ITF Russia F8 | 2018/08/29 09:25 | Alexander Boborykin v Maxim Ratniuk | 6-1,7-6 |
| ITF Russia F8 | 2018/08/28 11:35 | Maxim Ratniuk v Shalva Dzhanashia | 2-6,7-6,6-2 |
| ITF Russia F7 | 2018/08/23 07:00 | Alexander Zhurbin v Maxim Ratniuk | 6-2,6-4 |