Round: 44 Ground: Hardcourt outdoor
| ITF Ukraine F4 | 2017/08/27 10:00 | Sagadat Ayap v Philipp Sikorski | 6-1,6-0 |
| ITF Turkey F47 Qual | 2017/12/09 06:45 | Gregorio Cordonnier v Nikolaj Katic | 6-7,6-4,6-2 |
| ITF Turkey F46 Qual | 2017/12/02 06:45 | Maurizio Speziali v Nikolaj Katic | 6-1,4-6,6-1 |
| ITF Turkey F45 Qual | 2017/11/26 06:30 | Vladislav Melnic v Nikolaj Katic | 6-4,6-2 |
| ITF Netherlands F4 | 2016/07/02 10:30 | Nikolaj Katic v Gijs Brouwer | 1-6,3-6 |
| ITF Netherlands F4 | 2016/07/02 08:00 | Nikolaj Katic v Cheraag Bajwa | 3-6,6-3,6-1 |
| ITF Czech Republic F4 Qual | 2016/06/26 08:00 | Vit Kopriva v Nikolaj Katic | 6-0,6-1 |
| ITF Czech Republic F4 Qual | 2016/06/25 11:00 | Michal Marko v Nikolaj Katic | 6-2,6-7,0-6 |
| ITF Czech Republic F4 Qual | 2016/06/25 08:00 | Nikolaj Katic v Peter Balla | 7-6,6-2 |