| ITF Netherlands F4 | 07/02 08:00 | 44 | Nikolaj Katic v Cheraag Bajwa | 3-6,6-3,6-1 | |
| ITF Czech Republic F4 Qual | 06/26 08:00 | 62 | Vit Kopriva v Nikolaj Katic | 6-0,6-1 | |
| ITF Czech Republic F4 Qual | 06/25 11:00 | 62 | Michal Marko v Nikolaj Katic | 6-2,6-7,0-6 | |
| ITF Czech Republic F4 Qual | 06/25 08:00 | 62 | Nikolaj Katic v Peter Balla | 7-6,6-2 | |
| ITF Netherlands F4 | 07/04 10:00 | - | Thomas Does v Nikolaj Katic | 6-2,7-5 |