| ITF Russia F2 Qual | 2016/06/26 07:00 | Mikhail Korovin v Sergey Bolotov | 6-2,6-1 |
| ITF Russia F2 Qual | 2016/06/27 07:00 | Maxim Ratniuk v Denis Klok | 7-5,7-5 |
| ITF Russia F2 Qual | 2016/06/26 07:00 | Maxim Geraskin v Denis Klok | 4-6,2-6 |
| ITF Bosnia and Herzegovina F3 | 2016/05/24 12:00 | Denis Klok v Victor Baluda | 4-6,4-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2016/05/23 09:00 | Fran Zvonimir Zgombic v Denis Klok | 4-6,7-6,3-6 |
| ITF Bosnia and Herzegovina F2 | 2016/05/18 13:05 | Luka Ilic v Denis Klok | 6-4,5-7,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2016/05/16 11:30 | Fran Zvonimir Zgombic v Denis Klok | 3-6,3-6 |
| ITF Tunisia F15 | 2016/04/17 08:30 | Denis Klok v Adrian Bodmer | 5-7,4-6 |
| ITF Tunisia F15 | 2016/04/16 11:00 | Denis Klok v Sebastian Buehler | 6-0,6-0 |