Round: 25 Ground: Clay
| ITF Czech Republic F5 | 2016/07/05 10:00 | Ondrej Krstev v Vitaliy Sachko | 6-3,1-6,2-6 |
| ITF Poland F2 | 2016/05/31 10:10 | Ondrej Krstev v Grzegorz Panfil | 6-7,6-7 |
| ITF Poland F2 | 2016/05/30 10:25 | Ondrej Krstev v Aliaksandr Prudnikau | 6-4,7-6 |
| ITF Czech Republic F3 | 2016/05/26 13:05 | Jan Mertl v Ondrej Krstev | 6-2,6-1 |
| ITF Czech Republic F3 | 2016/05/24 08:30 | Vadym Ursu v Ondrej Krstev | 0-6,2-6 |
| ITF Czech Republic F2 | 2016/05/17 08:00 | Ondrej Krstev v Vit Kopriva | 3-6,6-7 |
| ITF Czech Republic F2 Qual | 2016/05/16 09:40 | Ondrej Krstev v David Pultr | 6-2,6-0 |
| ITF Czech Republic F1 | 2016/05/11 10:20 | Ondrej Krstev v Laslo Urrutia Fuentes | 4-6,0-6 |
| ITF Austria F2 | 2016/07/14 13:00 | Nik Razborsek v Stefanos Tsitsipas | 6-3,4-6,2-6 |
| ITF Austria F2 | 2016/07/13 09:55 | Bradley Mousley v Nik Razborsek | 4-6,1-6 |
| ITF Austria F2 | 2016/07/11 10:30 | Filippo Leonardi v Nik Razborsek | 0-6,4-6 |
| ITF Germany F6 | 2016/07/08 16:45 | Johann Willems v Nik Razborsek | 6-3,7-6 |
| ITF Germany F6 | 2016/07/07 10:00 | George Von Massow v Nik Razborsek | 4-6,6-4,2-6 |
| ITF Germany F6 | 2016/07/05 11:55 | Nik Razborsek v Ricardo Rodriguez-Pace | 6-2,6-4 |
| ITF Germany F5 | 2016/06/28 10:00 | Hannes Wagner v Nik Razborsek | 7-6,6-4 |
| ITF Germany F4 | 2016/06/24 15:00 | Nik Razborsek v Gregoire Jacq | 1-6,1-6 |