Stadium: Court 14 Round: 25 Ground: Clay
| ITF Czech Republic F6 Qual | 2018/07/07 12:30 | Albert Sprlak Puk v David Damian Brna | 2-6,6-2,6-4 |
| ITF Czech Republic F6 Qual | 2018/07/07 07:30 | Patrik Jancovic v David Damian Brna | 4-6,2-6 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | David Damian Brna v Egor Matvievici | 6-3,4-6,3-6 |
| ITF Hungary F5 Qual | 2018/06/18 08:00 | Eduardo Dischinger v David Damian Brna | 3-6,6-4,6-0 |
| ITF Hungary F3 Qual | 2018/05/20 10:00 | David Damian Brna v Nick Cmager | 2-6,7-5,4-6 |
| ITF Hungary F2 | 2018/05/15 11:20 | David Damian Brna v Fabian Marozsan | 1-6,5-7 |
| ITF Hungary F2 Qual | 2018/05/14 10:00 | David Damian Brna v Nick Cmager | 4-6,2-6 |
| ITF Hungary F2 Qual | 2018/05/13 08:00 | David Damian Brna v Norbert Nagyi | 6-2,2-6,7-5 |
| ITF Czech Republic F4 | 2018/06/25 09:40 | Danylo Kalenichenko v Sven Lah | 4-6,4-6 |
| ITF Hungary F5 | 2018/06/18 12:00 | Danylo Kalenichenko v Dragos Dima | 4-6,3-6 |
| ITF Hungary F4 | 2018/06/12 08:00 | Vlad Andrei Dancu v Danylo Kalenichenko | 6-4,6-7,6-3 |
| Challenger Poznan Qual | 2018/06/03 12:40 | Evan Song v Danylo Kalenichenko | 6-1,6-2 |
| ITF Bosnia and Herzegovina F2 | 2018/05/24 11:35 | Ioannis Stergiou v Danylo Kalenichenko | 6-1,7-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/23 08:00 | Lingxi Zhao v Danylo Kalenichenko | 6-7,6-0,2-6 |
| ITF Nigeria F3 | 2018/04/30 13:15 | Youssef Hossam v Danylo Kalenichenko | 6-2,6-2 |
| ITF Nigeria F2 | 2018/04/25 09:00 | Danylo Kalenichenko v Maximilian Neuchrist | 4-6,2-6 |