Stadium: Court 4 Round: 25 Ground: Clay
| 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 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 Bosnia and Herzegovina F3 Qual | 2018/05/28 10:50 | Pavle Daljev v Lingxi Zhao | 4-6,4-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 09:30 | Ivan Randjelovic v Lingxi Zhao | 1-6,1-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/23 08:00 | Lingxi Zhao v Danylo Kalenichenko | 6-7,6-0,2-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/21 09:50 | Luka Puljic v Lingxi Zhao | 6-7,2-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/20 12:30 | Stefan Dragovic v Lingxi Zhao | 1-6,7-5,5-7 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 13:30 | Milos Dabic v Lingxi Zhao | 6-4,6-1 |
| ITF Turkey F16 | 2018/04/21 09:30 | Sebastian Prechtel v Lingxi Zhao | 7-6,6-1 |
| ITF Turkey F15 | 2018/04/14 07:30 | Lingxi Zhao v Francisco Vittar | 4-6,6-7 |