Round: 62 Ground: Clay
| ITF Poland F6 Qual | 2014/08/23 07:00 | Viktor Kostin v Karol Krawczynski | 6-1,6-4 |
| ITF Poland F4 Qual | 2015/08/30 07:30 | Karol Krawczynski v Max Steinberger | 7-5,6-1 |
| ITF Poland F3 Qual | 2015/08/23 08:00 | Karol Krawczynski v Oleg Prihodko | 4-6,6-7 |
| ITF Poland F2 | 2015/08/17 08:00 | Karol Krawczynski v Michal Dembek | 2-6,6-7 |
| ITF Poland F1 | 2015/08/09 08:00 | Cristobal Grandon Diaz v Karol Krawczynski | 5-7,6-2,6-4 |
| ITF Czech Republic F5 Qual | 2015/06/28 12:25 | Karol Krawczynski v Michal Marko | 3-6,3-6 |
| ITF Poland F6 Qual | 2014/08/23 07:00 | Viktor Kostin v Karol Krawczynski | 6-1,6-4 |
| ITF Poland F4 Qual | 2015/08/30 07:30 | Vladyslav Orlov v Viktor Kostin | 4-6,1-6 |
| ITF Poland F3 | 2015/08/25 15:00 | Viktor Kostin v Axel Michon | 3-6,1-6 |
| ITF Poland F2 | 2015/08/20 09:55 | Viktor Kostin v Axel Michon | 2-6,3-6 |
| ITF Poland F2 | 2015/08/19 08:00 | Denys Mylokostov v Viktor Kostin | 1-6,6-7 |
| ITF Poland F2 | 2015/08/18 08:00 | Maciej Smola v Viktor Kostin | 4-6,6-3,6-7 |
| ITF Poland F2 | 2015/08/16 08:00 | Adam Mlazga v Viktor Kostin | 4-6,7-6,3-6 |
| ITF Germany F10 Qual | 2015/08/02 10:30 | Viktor Kostin v Jesper T Freimuth | 3-6,6-2,5-7 |
| ITF Tunisia F7 | 2014/11/10 10:30 | Viktor Kostin v Christian Hirschmueller | 6-7,2-6 |